1.
Summit
–
A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. Mathematically, a summit is a maximum in elevation. The topographic terms acme, apex, peak, and zenith are synonymous, the UIAA definition is that a summit is independent if it has a prominence of 30 metres or more, it is a mountain if it has a prominence of at least 300 metres. This can be summarised as follows, A pyramidal peak is an exaggerated form produced by ice erosion of a mountain top, Summit may also refer to the highest point along a line, trail, or route. In many parts of the western United States, the term refers to the highest point along a road, highway. For example, the highest point along Interstate 80 in California is referred to as Donner Summit while the highest point on Interstate 5 is Siskiyou Mountain Summit, geoid Hill List of highest mountains Maxima and minima Nadir Summit accordance Peak finder
Summit
–
The highest elevation summit, Mount Everest, shown with a climber at the summit wearing an oxygen mask. The summit is 8850 m (29,035 ft) elevation. (While the cruising altitude of jetliners is roughly 10,000 m (32,808 feet), they are pressurized.)
Summit
–
View from the summit of Switzerland's highest,
Monte Rosa
Summit
–
The summit of
Mount Damavand,
Iran, in winter
Summit
–
Jeff Davis Peak, one of the highest peaks entirely within
Nevada
2.
Geographic coordinate system
–
A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are chosen such that one of the numbers represents a vertical position. A common choice of coordinates is latitude, longitude and elevation, to specify a location on a two-dimensional map requires a map projection. The invention of a coordinate system is generally credited to Eratosthenes of Cyrene. Ptolemy credited him with the adoption of longitude and latitude. Ptolemys 2nd-century Geography used the prime meridian but measured latitude from the equator instead. Mathematical cartography resumed in Europe following Maximus Planudes recovery of Ptolemys text a little before 1300, in 1884, the United States hosted the International Meridian Conference, attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich, the Dominican Republic voted against the motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911, the latitude of a point on Earths surface is the angle between the equatorial plane and the straight line that passes through that point and through the center of the Earth. Lines joining points of the same latitude trace circles on the surface of Earth called parallels, as they are parallel to the equator, the north pole is 90° N, the south pole is 90° S. The 0° parallel of latitude is designated the equator, the plane of all geographic coordinate systems. The equator divides the globe into Northern and Southern Hemispheres, the longitude of a point on Earths surface is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses, which converge at the north and south poles, the prime meridian determines the proper Eastern and Western Hemispheres, although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E, the combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The grid formed by lines of latitude and longitude is known as a graticule, the origin/zero point of this system is located in the Gulf of Guinea about 625 km south of Tema, Ghana. To completely specify a location of a feature on, in, or above Earth. Earth is not a sphere, but a shape approximating a biaxial ellipsoid. It is nearly spherical, but has an equatorial bulge making the radius at the equator about 0. 3% larger than the radius measured through the poles, the shorter axis approximately coincides with the axis of rotation
Geographic coordinate system
–
Longitude lines are perpendicular and latitude lines are parallel to the equator.
3.
Auvergne (region)
–
Auvergne is a former administrative region of France. Since 1 January 2016, it is part of the new region Auvergne-Rhône-Alpes and it comprises four departments, Allier, Puy-de-Dôme, Cantal and Haute-Loire. The administrative region of Auvergne is larger than the province of Auvergne. The Auvergne region is composed of the old provinces, Auvergne, departments of Puy-de-Dôme, Cantal, northwest of Haute-Loire. The province of Auvergne is entirely contained inside the Auvergne region Bourbonnais, a small part of Bourbonnais is also contained inside the Centre-Val de Loire region. Velay, centre and southeast of department of Haute-Loire, velay is entirely contained inside the Auvergne region. A small part of Gévaudan, extreme southwest of Haute-Loire, Gévaudan is essentially inside the Languedoc-Roussillon region. A small part of Vivarais, extreme southeast of Haute-Loire, Vivarais is essentially inside the Rhône-Alpes region. A small part of Forez, extreme northeast of Haute-Loire, Forez is essentially inside the Rhône-Alpes region. Velay, Gévaudan, and Vivarais are often considered to be sub-provinces of the old province of Languedoc, Forez is also often considered to be a sub-province of Lyonnais. Therefore, the region of Auvergne is composed of the provinces of Auvergne, major part of Bourbonnais. The region is home to a chain of volcanoes known collectively as the chaîne des Puys, the last confirmed eruption was around 4040 BCE. The volcanoes began forming some 70,000 years ago, and most have eroded, Auvergne has a surface area of 26,013 square kilometres equivalent to 4. 8% of Frances total surface area. Auvergne is one of the smallest regions in France, Auvergne is known for its mountain ranges and dormant volcanoes. Together the Monts Dore and the Chaîne des Puys include 80 volcanoes, the Puy de Dôme is the tallest volcano in the region, with an altitude of 1,465 metres. The Sancy Massif in the Monts Dore is the highest point in Auvergne, the northern region is covered in hills while the southern portion is mountainous and dotted with pastures. The Forest of Tronçais covers nearly 11,000 hectares and is the largest oak forest in Europe, the Loire runs through the southeast and borders the northeast, and the Allier runs from north to south down the center of Auvergne, with branches going east and west. Over many years the Allier river has created what are known as the Allier gorges, Auvergne has about 50 freshwater ponds and lakes
Auvergne (region)
–
Auvergne terrain map
Auvergne (region)
–
Flag
Auvergne (region)
–
The "
Chaîne des Puys " in
Puy-de-Dôme
Auvergne (region)
–
Clermont-Ferrand
4.
France
–
France, officially the French Republic, is a country with territory in western Europe and several overseas regions and territories. The European, or metropolitan, area of France extends from the Mediterranean Sea to the English Channel and the North Sea, Overseas France include French Guiana on the South American continent and several island territories in the Atlantic, Pacific and Indian oceans. France spans 643,801 square kilometres and had a population of almost 67 million people as of January 2017. It is a unitary republic with the capital in Paris. Other major urban centres include Marseille, Lyon, Lille, Nice, Toulouse, during the Iron Age, what is now metropolitan France was inhabited by the Gauls, a Celtic people. The area was annexed in 51 BC by Rome, which held Gaul until 486, France emerged as a major European power in the Late Middle Ages, with its victory in the Hundred Years War strengthening state-building and political centralisation. During the Renaissance, French culture flourished and a colonial empire was established. The 16th century was dominated by civil wars between Catholics and Protestants. France became Europes dominant cultural, political, and military power under Louis XIV, in the 19th century Napoleon took power and established the First French Empire, whose subsequent Napoleonic Wars shaped the course of continental Europe. Following the collapse of the Empire, France endured a succession of governments culminating with the establishment of the French Third Republic in 1870. Following liberation in 1944, a Fourth Republic was established and later dissolved in the course of the Algerian War, the Fifth Republic, led by Charles de Gaulle, was formed in 1958 and remains to this day. Algeria and nearly all the colonies became independent in the 1960s with minimal controversy and typically retained close economic. France has long been a centre of art, science. It hosts Europes fourth-largest number of cultural UNESCO World Heritage Sites and receives around 83 million foreign tourists annually, France is a developed country with the worlds sixth-largest economy by nominal GDP and ninth-largest by purchasing power parity. In terms of household wealth, it ranks fourth in the world. France performs well in international rankings of education, health care, life expectancy, France remains a great power in the world, being one of the five permanent members of the United Nations Security Council with the power to veto and an official nuclear-weapon state. It is a member state of the European Union and the Eurozone. It is also a member of the Group of 7, North Atlantic Treaty Organization, Organisation for Economic Co-operation and Development, the World Trade Organization, originally applied to the whole Frankish Empire, the name France comes from the Latin Francia, or country of the Franks
France
–
One of the
Lascaux paintings: a horse –
Dordogne, approximately 18,000 BC
France
–
Flag
France
–
The
Maison Carrée was a temple of the
Gallo-Roman city of Nemausus (present-day
Nîmes) and is one of the best preserved vestiges of the
Roman Empire.
France
–
With
Clovis ' conversion to Catholicism in 498, the
Frankish monarchy,
elective and
secular until then, became
hereditary and of
divine right.
5.
Mountain range
–
A mountain range is a geographic area containing numerous geologically related mountains. A mountain system or system of ranges, sometimes is used to combine several geological features that are geographically related. Mountain ranges are usually segmented by highlands or mountain passes and valleys, individual mountains within the same mountain range do not necessarily have the same geologic structure or petrology. They may be a mix of different orogenic expressions and terranes, for example thrust sheets, uplifted blocks, fold mountains, most geologically young mountain ranges on the Earths land surface are associated with either the Pacific Ring of Fire or the Alpide Belt. The Andes is 7,000 kilometres long and is considered the worlds longest mountain system. The Alpide belt includes Indonesia and southeast Asia, through the Himalaya, the belt also includes other European and Asian mountain ranges. The Himalayas contain the highest mountains in the world, including Mount Everest, mountain ranges outside of these two systems include the Arctic Cordillera, the Urals, the Appalachians, the Scandinavian Mountains, the Altai Mountains and the Hijaz Mountains. If the definition of a range is stretched to include underwater mountains. The mountain systems of the earth are characterized by a tree structure, the sub-range relationship is often expressed as a parent-child relationship. For example, the White Mountains of New Hampshire and the Blue Ridge Mountains are sub-ranges of the Appalachian Mountains, equivalently, the Appalachians are the parent of the White Mountains and Blue Ridge Mountains, and the White Mountains and the Blue Ridge Mountains are children of the Appalachians. The position of mountains influences climate, such as rain or snow, when air masses move up and over mountains, the air cools producing orographic precipitation. As the air descends on the side, it warms again and is drier. Often, a shadow will affect the leeward side of a range. Mountain ranges are constantly subjected to forces which work to tear them down. Erosion is at work while the mountains are being uplifted and long after until the mountains are reduced to low hills, rivers are traditionally believed to be the principle erosive factor on mountain ranges, with their ability of bedrock incision and sediment transport. The rugged topography of a range is the product of erosion. The basins adjacent to a mountain range are filled with sediments which are buried and turned into sedimentary rock. The early Cenozoic uplift of the Rocky Mountains of Colorado provides an example and this mass of rock was removed as the range was actively undergoing uplift
Mountain range
–
The
Himalayas, the highest mountain range on Earth, seen from space
Mountain range
–
Mountain range of
High Tatras in
Slovakia in 1865
Mountain range
–
The
Andes, the world's longest mountain range on the surface of a continent, seen from the air
Mountain range
–
Hillary and Norgay Montes on Pluto (14 July 2015)
6.
Massif Central
–
The Massif Central is an elevated region in the middle of southern France, consisting of mountains and plateaus. It covers approximately 15 percent of the country, the region was a barrier to transport within France until the opening of the A75 motorway, which not only made north-south travel easier, but also opened up the Massif Central itself. The Massif Central is an old massif, formed during the Variscan orogeny and it was powerfully raised and made to look geologically younger in the eastern section by the uplift of the Alps during the Paleogene period and in the southern section by the uplift of the Pyrenees. These tectonic movements created faults and are maybe at the origin of the volcanism in the Massif Central, in fact, above the crystalline foundation, we can observe many volcanoes of many different types and ages, volcanic plateaus, stratovolcanoes, and small, very recent monogenic volcanoes. The entire region contains a concentration of approximately 450 extinct volcanoes. The strip of Chaîne des Puys, running north to south and less than 60 square miles long, the Auvergne Volcanoes National Park is in the massif. In the south, one region, made up of features called causses in French. The most famous of these is the canyon of Tarn, the following régions are part of the Massif Central, Auvergne, Limousin. Part of the following régions are in the Massif Central, Languedoc-Roussillon, the largest cities are Clermont-Ferrand and Saint-Étienne
Massif Central
–
Puy de Dôme is the highest volcano in the chain of volcanoes
Chaine des Puys
Massif Central
Massif Central
–
Puy de Sancy (1886 m)
Massif Central
–
The Cévennes range
7.
Lava dome
–
In volcanology, a lava dome or volcanic dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. The geochemistry of lava domes can vary from basalt to rhyolite although most preserved domes tend to have high silica content, the characteristic dome shape is attributed to high viscosity that prevents the lava from flowing very far. This high viscosity can be obtained in two ways, by high levels of silica in the magma, or by degassing of fluid magma. Since viscous basaltic and andesitic domes weather fast and easily break apart by further input of fluid lava, most of the domes have high silica content. Existence of lava domes has been suggested for some domed structures on the Martian surface in the part of Arcadia Planitia. Lava domes evolve unpredictably, due to non-linear dynamics caused by crystallization, domes undergo various processes such as growth, collapse, solidification and erosion. Lava domes grow by endogenic dome growth or exogenic dome growth, the former implies dome interior expansion to accommodate new lava and the latter refers to superficial piling up of lava. It is the viscosity of the lava that prevents it from flowing far from the vent from which it extrudes. Domes may reach heights of several hundred meters, and can grow slowly and steadily for months, years, the sides of these structures are composed of unstable rock debris. Due to the intermittent buildup of gas pressure, erupting domes can often experience episodes of explosive eruption over time, if part of a lava dome collapses while it is still molten, it can produce pyroclastic flows, one of the most lethal forms of volcanic event. Other hazards associated with domes are the destruction of property, forest fires. Lava domes are one of the structural features of many stratovolcanoes worldwide. Lava domes are prone to unusually dangerous explosions since they contain rhyolitic silica-rich lava, characteristics of lava dome eruptions include shallow, long-period and hybrid seismicity, which is attributed to excess fluid pressures in the contributing vent chamber. Other characteristics of lava domes include their hemispherical shape, cycles of dome growth over long periods. The average rate of growth may be used as a rough indicator of magma supply. A cryptodome is a structure created by accumulation of viscous magma at a shallow depth. Coulées are lava domes that have experienced some flow away from their original position, the worlds largest known dacite flow is the Chao dacite dome complex, a huge coulée flow-dome between two volcanoes in northern Chile. This flow is over 14 kilometres long, has obvious flow features like pressure ridges, there is another prominent coulée flow on the flank of Llullaillaco volcano, in Argentina, and other examples in the Andes
Lava dome
–
Image of the
rhyolitic lava dome of
Chaitén Volcano during its 2008–2010 eruption.
Lava dome
–
One of the
Mono Craters, an example of a rhyolite dome.
Lava dome
–
Lava domes in the crater of
Mount St. Helens
Lava dome
–
Photo showing the bulging cryptodome of Mt. St. Helens on April 27, 1980.
8.
Types of volcanic eruptions
–
Several types of volcanic eruptions—during which lava, tephra, and assorted gases are expelled from a volcanic vent or fissure—have been distinguished by volcanologists. These are often named after famous volcanoes where that type of behavior has been observed, some volcanoes may exhibit only one characteristic type of eruption during a period of activity, while others may display an entire sequence of types all in one eruptive series. There are three different types of eruptions, the most well-observed are magmatic eruptions, which involve the decompression of gas within magma that propels it forward. Phreatomagmatic eruptions are another type of eruption, driven by the compression of gas within magma. Within these wide-defining eruptive types are several subtypes, the weakest are Hawaiian and submarine, then Strombolian, followed by Vulcanian and Surtseyan. The stronger eruptive types are Pelean eruptions, followed by Plinian eruptions, subglacial and phreatic eruptions are defined by their eruptive mechanism, and vary in strength. An important measure of strength is Volcanic Explosivity Index, an order of magnitude scale ranging from 0 to 8 that often correlates to eruptive types. Explosive eruptions are characterized by gas-driven explosions that propels magma and tephra, effusive eruptions, meanwhile, are characterized by the outpouring of lava without significant explosive eruption. Volcanic eruptions vary widely in strength, on the one extreme there are effusive Hawaiian eruptions, which are characterized by lava fountains and fluid lava flows, which are typically not very dangerous. On the other extreme, Plinian eruptions are large, violent, volcanoes are not bound to one eruptive style, and frequently display many different types, both passive and explosive, even the span of a single eruptive cycle. Volcanoes do not always erupt vertically from a crater near their peak. Some volcanoes exhibit lateral and fissure eruptions, notably, many Hawaiian eruptions start from rift zones, and some of the strongest Surtseyan eruptions develop along fracture zones. Scientists believed that pulses of magma mixed together in the chamber before climbing upward—a process estimated to several thousands of years. But Columbia University volcanologists found that the eruption of Costa Rica’s Irazú Volcano in 1963 was likely triggered by magma that took a route from the mantle over just a few months. The volcanic explosivity index is a scale, from 0 to 8 and it is used by the Smithsonian Institutions Global Volcanism Program in assessing the impact of historic and prehistoric lava flows. It operates in a way similar to the Richter scale for earthquakes, the vast majority of volcanic eruptions are of VEIs between 0 and 2. Volcanic eruptions by VEI index Magmatic eruptions produce juvenile clasts during explosive decompression from gas release, Hawaiian eruptions are a type of volcanic eruption, named after the Hawaiian volcanoes with which this eruptive type is hallmark. Hawaiian eruptions are the calmest types of events, characterized by the effusive eruption of very fluid basalt-type lavas with low gaseous content
Types of volcanic eruptions
–
Some of the eruptive structures formed during volcanic activity: a
Plinian eruption column,
Hawaiian pahoehoe flows, and a lava arc from a
Strombolian eruption.
Types of volcanic eruptions
–
Ropey
pahoehoe lava from
Kilauea,
Hawaiʻi.
Types of volcanic eruptions
–
An example of the lava arcs formed during Strombolian activity. This image is of
Stromboli itself.
Types of volcanic eruptions
–
Tavurvur in
Papua New Guinea erupting.
9.
First ascent
–
In climbing, a first ascent is the first successful, documented attainment of the top of a mountain, or the first to follow a particular climbing route. First ascents are notable because they entail genuine exploration, with risks, challenges. The person who performs the first ascent is called the first ascensionist, the details of the first ascents of even many prominent mountains are scanty or unknown, sometimes the only evidence of prior summiting is a cairn, artifacts, or inscriptions at the top. Today, first ascents are generally recorded and usually mentioned in guidebooks. Overwhelmingly, the idea of a first ascent is a one, especially in places such as Africa. There may be little or no evidence or documentation about the climbing activities of indigenous peoples living near the mountain. The term is used when referring to ascents made using a specific technique or taking a specific route, such as via the North Face. In rock climbing, some of the earlier first ascents, particularly for difficult routes, involved a mix of free, as a result, purist free climbers have developed the designation first free ascent to acknowledge ascents intentionally made more challenging by using equipment for protection only. Some other first ascents could be recorded for particular mountains or routes, one is the First Winter Ascent, which is, as the name easily suggests, the first ascent made during winter season. This is most important where the climate of winter is a factor in increasing the difficulty grade of the route, in the Northern Hemisphere conventional winter ascents are made between December 21 and March 21 and are not related to the conditions. Also in the Himalayan area, although Nepal and Chinas winter season permits start on December 1, another is the First Solo Ascent, which is the first ascent made by a single climber. This is most important on high-level rock climbing, when the climber has to provide his own security or even when climbing without any protection at all, another type of ascent, also known as FFA is the first female ascent. The term last ascent has been used to refer to an ascent of a mountain or face that has changed to such an extent – often because of rockfall – that the route no longer exists. It can also be used facetiously to refer to a climb that is so unpleasant or unaesthetic that no one would willingly repeat the first ascent partys ordeal. List of first ascents List of first ascents in the Alps List of first ascents in the Himalaya Glossary of climbing terms Alpinist Magazine – Peter Mortimers First Ascent, Issue 17
First ascent
–
Henry Barber on first ascent of Savage Journey at Lost World,
Mt. Wellington,
Tasmania, 1975
10.
Auvergnat
–
Auvergnat has become known internationally through the folk song arrangements of Joseph Canteloube. A large fringe of eastern Limousin, in the département of Corrèze, near Ussel and this is a transition zone between Auvergnat and Limousin The communities of Noirétable and La Chamba in the western side of the département of Loire. There are strong oppositions between Pierre Bonnaud and for instance Roger Teulat,1, Latin pratus > pra vs. pré2, Latin nepos > nebot vs. neveu… Light blue area labelled fr is for French-Langue d’Oïl. Light purple area labelled frp is for Francoprovençal,0, No paroxyton in the north – defines the Marchois dialect, a name often given to the Occitan spoken in the Croissant area. The area labelled m is the one of the Marchois dialect,3, The ca/cha boundary separated Northern Occitan and Southern Occitan. It is part of the Auvergnat boundary, along with 7, area lm is for the Limousin dialect, va for Vivaro-Alpine, lg for Languedocien. 4, Feminines in –ada have lost intervocalic d and became –aa and these are not characteristic of Auvergnat as a whole but allow for defining a boundary,5 and 6, These match the Core Auvergnat, according to Pierre Bonnaud. They may be used for the boundary of Auvergnat. Area 5 has the pronunciation of èr, area 6 has the palatalisation of cl to or, note that most Occitanists use rather 7 than 8 to define the southern boundary. Note some of the definition boundaries allow defining an internal variation, the most traditional one between Lower or Northern Auvergnat and Upper or Southern Auvergnat is the mutation of s before, and. Lower Auvergnat, defined by Teulat, is the green area labelled 1 on the map. Upper Auvergnat, defined by Teulat, is the light brown-yellow area labelled 2 on the map, a broader area is generally defined. A Northwestern Auvergnat may be defined as well by 5 and 6, the Northeastern has, according to Bonnaud, a stronger influence from French phonetics. Auvergnat is most often categorized in the Northern Occitan dialect group, along with Limousin, there are two primary distinctions in Auvergnat, Northern Auvergnat in Puy-de-Dôme and Allier and Haute-Loire north of Brioude. In the south of Allier, the local nord-auvergnat has been influenced by French. This transition zone to French, called locally le Croissant, includes the northern fringe of Limousin, see also the article on Bourbonnais. Southern Auvergnat spoken in Cantal, Haute-Loire, the suggestion that Auvergnat is an independent language, distinct from Occitan, has found little resonance with linguists, especially Romance linguists. It is strongly defended by those who espouse the norme bonnaudienne a standardization of Auvergnat, an understanding of the vitality and overall usage of Auvergnat can be garnered from a survey carried out in 2006 in the Auvergne region
Auvergnat
–
Auvergnat dialect boundaries
11.
Volcano
–
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. Earths volcanoes occur because its crust is broken into 17 major, therefore, on Earth, volcanoes are generally found where tectonic plates are diverging or converging. This type of volcanism falls under the umbrella of plate hypothesis volcanism, Volcanism away from plate boundaries has also been explained as mantle plumes. These so-called hotspots, for example Hawaii, are postulated to arise from upwelling diapirs with magma from the boundary,3,000 km deep in the Earth. Volcanoes are usually not created where two plates slide past one another. Erupting volcanoes can pose hazards, not only in the immediate vicinity of the eruption. Historically, so-called volcanic winters have caused catastrophic famines, the word volcano is derived from the name of Vulcano, a volcanic island in the Aeolian Islands of Italy whose name in turn comes from Vulcan, the god of fire in Roman mythology. The study of volcanoes is called volcanology, sometimes spelled vulcanology, at the mid-oceanic ridges, two tectonic plates diverge from one another as new oceanic crust is formed by the cooling and solidifying of hot molten rock. Most divergent plate boundaries are at the bottom of the oceans, therefore, most volcanic activity is submarine, black smokers are evidence of this kind of volcanic activity. Where the mid-oceanic ridge is above sea-level, volcanic islands are formed, for example, subduction zones are places where two plates, usually an oceanic plate and a continental plate, collide. In this case, the plate subducts, or submerges under the continental plate forming a deep ocean trench just offshore. In a process called flux melting, water released from the subducting plate lowers the temperature of the overlying mantle wedge. This magma tends to be very viscous due to its high content, so it often does not reach the surface. When it does reach the surface, a volcano is formed, typical examples of this kind of volcano are Mount Etna and the volcanoes in the Pacific Ring of Fire. Because tectonic plates move across them, each volcano becomes dormant and is eventually re-formed as the plate advances over the postulated plume and this theory is currently under criticism, however. The most common perception of a volcano is of a mountain, spewing lava and poisonous gases from a crater at its summit, however. The features of volcanoes are more complicated and their structure. Some volcanoes have rugged peaks formed by lava domes rather than a summit crater while others have features such as massive plateaus
Volcano
–
Cleveland Volcano in the
Aleutian Islands of
Alaska photographed from the
International Space Station, May 2006
Volcano
–
Ash plumes reached a height of 19 kilometres (12 mi) during the climactic
explosive eruption at
Mount Pinatubo, Philippines in 1991.
Volcano
–
A 2007 eruptive column at
Mount Etna producing volcanic ash, pumice and lava bombs
Volcano
–
Ubinas Volcano
12.
Cinder cone
–
A cinder cone or scoria cone is a steep conical hill of loose pyroclastic fragments, such as either volcanic clinkers, cinders, volcanic ash, or scoria that has been built around a volcanic vent. They consist of loose pyroclastic debris formed by explosive eruptions or lava fountains from a single, typically cylindrical, most cinder cones have a bowl-shaped crater at the summit. The rock fragments, often called cinders or scoria, are glassy and contain numerous gas bubbles frozen into place as magma exploded into the air, cinder cones range in size from tens to hundreds of meters tall. Cinder cones are made of pyroclastic material, many cinder cones have a bowl-shaped crater at the summit. During the waning stage of an eruption, the magma has lost most of its gas content. This gas-depleted magma does not fountain but oozes quietly into the crater or beneath the base of the cone as lava. Lava rarely issues from the top because the loose, uncemented cinders are too weak to support the pressure exerted by molten rock as it rises toward the surface through the central vent, because it contains so few gas bubbles, the molten lava is denser than the bubble-rich cinders. Thus, it burrows out along the bottom of the cinder cone, lifting the less dense cinders like a cork on water. When the eruption ends, a cone of cinders sits at the center of a surrounding pad of lava. If the crater is breached, the remaining walls form an amphitheatre or horseshoe shape around the vent. Cinder cones are found on the flanks of shield volcanoes, stratovolcanoes. For example, geologists have identified nearly 100 cinder cones on the flanks of Mauna Kea and these cones are also referred to as scoria cones and cinder and spatter cones. The most famous cinder cone, Paricutin, grew out of a field in Mexico in 1943 from a new vent. Eruptions continued for nine years, built the cone to a height of 424 meters, the Earths most historically active cinder cone is Cerro Negro in Nicaragua. It is part of a group of four cinder cones NW of Las Pilas volcano. Since its initial eruption in 1850, it has erupted more than 20 times, based on satellite images it was suggested that cinder cones might occur on other terrestrial bodies in the solar system too. They were reported on the flanks of Pavonis Mons in Tharsis and it is also suggested that domical structures in Marius Hills might represent lunar cinder cones. The size and shape of cinder cones depend on environmental properties as different gravity and/or atmospheric pressure might change the dispersion of ejected scoria particles, some cinder cones are monogenetic – the result of a single, never-to-be-repeated eruption
Cinder cone
–
Cross-section diagram of a cinder cone or scoria cone.
Cinder cone
–
Schematic representation of the internal structure of a typical cinder cone.
Cinder cone
–
Cinders from a
Pleistocene cinder cone,
San Bernardino Valley, southeastern
Arizona.
Cinder cone
–
Holocene cinder cone near Veyo, Utah.
13.
Maar
–
A maar is a broad, low-relief volcanic crater caused by a phreatomagmatic eruption. A maar characteristically fills with water to form a shallow crater lake which may also be called a maar. The name comes from a Moselle Franconian dialect word used for the lakes of the Daun area of Germany. Maars range in size from 60 to 8,000 m across and from 10 to 200 m deep, most maars have low rims composed of a mixture of loose fragments of volcanic rocks and rocks torn from the walls of the diatreme. Maar lakes, also referred to simply as maars, occur when groundwater or precipitation fills the funnel-shaped, examples of these types of maar are the three maars at Daun in the Eifel mountains of Germany. A dry maar results when a maar lake dries out, becomes aggraded or silted up, an example of the latter is the Eckfelder Maar. Near Steffeln is the Eichholzmaar which has dried out during the last century and is being renaturalised into a maar, in some cases the underlying rock is so porous that maar lakes are unable to form. After winters of snow and rainfall many dry maars fill partially and temporarily with water, others contain small bogs or often artificial ponds that, however. The largest known maars are found on the Seward Peninsula in northwest Alaska and these maars range in size from 4,000 to 8,000 m in diameter and a depth up to 300 m. These eruptions occurred in a period of about 100,000 years and their large size is due to the explosive reaction that occurs when magma comes into contact with permafrost. Hydromagmatic eruptions are explosive when the ratio of water to magma is low. Since permafrost melts slowly, it provides a source of water to the eruption while keeping the water to magma ratio low. This produces the prolonged, explosive eruptions that created these large maars, examples of the Seward Peninsula maars include North Killeak Maar, South Killeak Maar, Devil Mountain Maar and Whitefish Maar. Maars occur in western North America, Patagonia in South America, the Eifel region of Germany, elsewhere in Europe, La Vestide du Pal in the Ardèche department of France provides a spectacular example of a maar easily visible from the ground or air. Kilbourne Hole and Hunts Hole, in southern New Mexico near El Paso, the Crocodile Lake in Los Baños in the Philippines was originally thought of as a volcanic crater is also a maar. The notorious, carbon dioxide-saturated Lake Nyos in Africa is another example, an excellent example of a maar is Zuni Salt Lake in New Mexico, a shallow saline lake that occupies a flat-floored crater about 6,500 ft across and 400 ft deep. Its low rim is composed of pieces of basaltic lava and wall rocks of the underlying diatreme. Maars in Canada are found in the Wells Gray-Clearwater volcanic field of east-central British Columbia, a notable field of maars is found in the Pali-Aike Volcanic Field in Patagonia, South America
Maar
–
Ukinrek Maars as a result of the phreatomagmatic activity
Maar
–
The Devil Mountain Lakes located on the Seward Peninsula in western Alaska are the largest maar-based lakes in the world.
Maar
–
A view of the southern devil mountain lake from the higher terrain on the south side of the lakes. Accessible only by float plane.
Maar
–
The three maars near
Daun (Germany)
14.
Tectonic plate
–
The theoretical model builds on the concept of continental drift developed during the first few decades of the 20th century. The geoscientific community accepted plate-tectonic theory after seafloor spreading was validated in the late 1950s, the lithosphere, which is the rigid outermost shell of a planet, is broken up into tectonic plates. The Earths lithosphere is composed of seven or eight major plates, where the plates meet, their relative motion determines the type of boundary, convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along plate boundaries. The relative movement of the plates typically ranges from zero to 100 mm annually, tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust. Along convergent boundaries, subduction carries plates into the mantle, the material lost is balanced by the formation of new crust along divergent margins by seafloor spreading. In this way, the surface of the lithosphere remains the same. This prediction of plate tectonics is also referred to as the conveyor belt principle, earlier theories, since disproven, proposed gradual shrinking or gradual expansion of the globe. Tectonic plates are able to move because the Earths lithosphere has greater strength than the underlying asthenosphere. Lateral density variations in the result in convection. Plate movement is thought to be driven by a combination of the motion of the seafloor away from the ridge and drag, with downward suction. Another explanation lies in the different forces generated by forces of the Sun. The relative importance of each of these factors and their relationship to other is unclear. The outer layers of the Earth are divided into the lithosphere and asthenosphere and this is based on differences in mechanical properties and in the method for the transfer of heat. Mechanically, the lithosphere is cooler and more rigid, while the asthenosphere is hotter, in terms of heat transfer, the lithosphere loses heat by conduction, whereas the asthenosphere also transfers heat by convection and has a nearly adiabatic temperature gradient. The key principle of plate tectonics is that the lithosphere exists as separate and distinct tectonic plates, Plate motions range up to a typical 10–40 mm/year, to about 160 mm/year. The driving mechanism behind this movement is described below, tectonic lithosphere plates consist of lithospheric mantle overlain by either or both of two types of crustal material, oceanic crust and continental crust. Average oceanic lithosphere is typically 100 km thick, its thickness is a function of its age, as passes, it conductively cools
Tectonic plate
–
Remnants of the
Farallon Plate, deep in Earth's mantle. It is thought that much of the plate initially went under North America (particularly the western United States and southwest Canada) at a very shallow angle, creating much of the mountainous terrain in the area (particularly the southern
Rocky Mountains).
Tectonic plate
–
The tectonic plates of the world were mapped in the second half of the 20th century.
Tectonic plate
–
Plate motion based on Global Positioning System (GPS) satellite data from NASA JPL. The vectors show direction and magnitude of motion.
Tectonic plate
–
Alfred Wegener in Greenland in the winter of 1912-13.
15.
Clermont-Ferrand
–
Clermont-Ferrand is a city and commune of France, in the Auvergne-Rhône-Alpes region, with a population of 141,569. Its metropolitan area had 467,178 inhabitants at the 2011 census and it is the prefecture of the Puy-de-Dôme department. Olivier Bianchi is its current mayor, Clermont-Ferrand sits on the plain of Limagne in the Massif Central and is surrounded by a major industrial area. The city is famous for the chain of volcanoes, the Chaîne des Puys surrounding it, the famous dormant volcano Puy de Dôme is one of the highest of these and well known for the telecommunication antennas that sit on its top and are visible from far away. Clermont-Ferrands most famous square is Place de Jaude, on which stands a grand statue of Vercingetorix sitting imperiously on a horse. The inscription reads, Jai pris les armes pour la liberté de tous and this statue was sculpted by Frédéric Bartholdi, who also created the Statue of Liberty. Clermont-Ferrands first name was Augusta Nemetum and it was born on the central knoll where the cathedral is situated today, known then as Nemossos. It overlooked the capital of Gaulish Avernie, the fortified castle of Clarus Mons gave its name to the whole town in 848, to which the small episcopal town of Montferrand was attached in 1731, together taking the name of Clermont-Ferrand. The old part of Clermont is delimited by the route of the ramparts, the town of Clermont-Ferrand came about with the joining together of two separate towns, Clermont and Montferrand, which was decreed by Louis XIII and confirmed by Louis XV. Clermont ranks among the oldest cities of France, the first known mention was by the Greek geographer Strabo, who called it the metropolis of the Arverni. The city was at that time called Nemessos – a Gaulish word for a sacred forest and it was somewhere in the area around Nemossos that the Arverni chieftain Vercingetorix was born in around 72 BC. Also, Nemossos was situated not far from the plateau of Gergovia, after the Roman conquest, the city became known as Augustonemetum sometime in the 1st century, a name which combined its original Gallic name with that of the Emperor Augustus. Its population was estimated at 15, 000–30,000 in the 2nd century and it then became Arvernis in the 3rd century, and expanded until the mid 3rd century. The city became the seat of a bishop in the 5th century, at the time of the bishop Namatius or Saint Namace, who built a cathedral here described by Gregory of Tours. Clermont went through a period after the disappearance of the Roman Empire and during the whole High Middle Ages. Between 471 and 475, Auvergne was often the target of Visigothic expansion, a generation later, it became part of the Kingdom of the Franks. On 8 November 535 the first Council of Clermont opened at Arvernis, with fifteen bishops participating, including Caesarius of Arles, Nizier of Lyons and Saint Hilarius, bishop of Mende. Sixteen decrees were made there, notably the second canon that recalls that the granting of episcopal dignity must be according to the merits, in 570, Bishop Avitus offered the Jews of his town the alternatives of baptism or expulsion
Clermont-Ferrand
–
The Place of Jaude The Cathédrale Notre-Dame-de-l'Assomption of Clermont, The tramway Translohr; The Statue of Vercingétorix The Opera of Clermont-Ferrand.
Clermont-Ferrand
–
Statue of
Vercingétorix by
Frédéric Auguste Bartholdi on the main square of the city
Clermont-Ferrand
–
Galeries of Jaude
16.
Departments of France
–
In the administrative divisions of France, the department is one of the three levels of government below the national level, between the administrative regions and the commune. There are 96 departments in metropolitan France and 5 overseas departments, each department is administered by an elected body called a departmental council. From 1800 to April 2015, they were called general councils, the departments were created in 1791 as a rational replacement of Ancien Régime provinces with a view to strengthen national unity, the title department is used to mean a part of a larger whole. Almost all of them were named after geographical features rather than after historical or cultural territories which could have their own loyalties. The earliest known suggestion of it is from 1764 in the writings of dArgenson and they have inspired similar divisions in many countries, some of them former French colonies. Most French departments are assigned a number, the Official Geographical Code. Some overseas departments have a three-digit number, the number is used, for example, in the postal code, and was until recently used for all vehicle registration plates. For example, inhabitants of Loiret might refer to their department as the 45 and this reform project has since been abandoned. The first French territorial departments were proposed in 1665 by Marc-René dArgenson to serve as administrative areas purely for the Ponts et Chaussées infrastructure administration, before the French Revolution, France gained territory gradually through the annexation of a mosaic of independent entities. By the close of the Ancien Régime, it was organised into provinces, during the period of the Revolution, these were dissolved, partly in order to weaken old loyalties. Their boundaries served two purposes, Boundaries were chosen to break up Frances historical regions in an attempt to erase cultural differences, Boundaries were set so that every settlement in the country was within a days ride of the capital of the department. This was a security measure, intended to keep the national territory under close control. This measure was directly inspired by the Great Terror, during which the government had lost control of rural areas far from any centre of government. The old nomenclature was carefully avoided in naming the new departments, most were named after an areas principal river or other physical features. Even Paris was in the department of Seine, the number of departments, initially 83, was increased to 130 by 1809 with the territorial gains of the Republic and of the First French Empire. Following Napoleons defeats in 1814-1815, the Congress of Vienna returned France to its pre-war size, in 1860, France acquired the County of Nice and Savoy, which led to the creation of three new departments. Two were added from the new Savoyard territory, while the department of Alpes-Maritimes was created from Nice, the 89 departments were given numbers based on their alphabetical order. The department of Bas-Rhin and parts of Meurthe, Moselle, Vosges and Haut-Rhin were ceded to the German Empire in 1871, following Frances defeat in the Franco-Prussian War
Departments of France
–
Geometrical proposition rejected
Departments of France
–
The 101 departments of France
Departments of France
–
The three Algerian departments in 1848
17.
Europe
–
Europe is a continent that comprises the westernmost part of Eurasia. Europe is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, yet the non-oceanic borders of Europe—a concept dating back to classical antiquity—are arbitrary. Europe covers about 10,180,000 square kilometres, or 2% of the Earths surface, politically, Europe is divided into about fifty sovereign states of which the Russian Federation is the largest and most populous, spanning 39% of the continent and comprising 15% of its population. Europe had a population of about 740 million as of 2015. Further from the sea, seasonal differences are more noticeable than close to the coast, Europe, in particular ancient Greece, was the birthplace of Western civilization. The fall of the Western Roman Empire, during the period, marked the end of ancient history. Renaissance humanism, exploration, art, and science led to the modern era, from the Age of Discovery onwards, Europe played a predominant role in global affairs. Between the 16th and 20th centuries, European powers controlled at times the Americas, most of Africa, Oceania. The Industrial Revolution, which began in Great Britain at the end of the 18th century, gave rise to economic, cultural, and social change in Western Europe. During the Cold War, Europe was divided along the Iron Curtain between NATO in the west and the Warsaw Pact in the east, until the revolutions of 1989 and fall of the Berlin Wall. In 1955, the Council of Europe was formed following a speech by Sir Winston Churchill and it includes all states except for Belarus, Kazakhstan and Vatican City. Further European integration by some states led to the formation of the European Union, the EU originated in Western Europe but has been expanding eastward since the fall of the Soviet Union in 1991. The European Anthem is Ode to Joy and states celebrate peace, in classical Greek mythology, Europa is the name of either a Phoenician princess or of a queen of Crete. The name contains the elements εὐρύς, wide, broad and ὤψ eye, broad has been an epithet of Earth herself in the reconstructed Proto-Indo-European religion and the poetry devoted to it. For the second part also the divine attributes of grey-eyed Athena or ox-eyed Hera. The same naming motive according to cartographic convention appears in Greek Ανατολή, Martin Litchfield West stated that phonologically, the match between Europas name and any form of the Semitic word is very poor. Next to these there is also a Proto-Indo-European root *h1regʷos, meaning darkness. Most major world languages use words derived from Eurṓpē or Europa to refer to the continent, in some Turkic languages the originally Persian name Frangistan is used casually in referring to much of Europe, besides official names such as Avrupa or Evropa
Europe
–
Reconstruction of
Herodotus ' world map
Europe
Europe
–
A medieval
T and O map from 1472 showing the three continents as domains of the sons of
Noah — Asia to Sem (
Shem), Europe to Iafeth (
Japheth), and Africa to Cham (
Ham)
Europe
–
Early modern depiction of
Europa regina ('Queen Europe') and the mythical
Europa of the 8th century BC.
18.
Gallo-Roman
–
This article covers the culture of Romanized areas of Gaul. For the political history of the brief Gallic Empire of the third century, the term Gallo-Roman describes the Romanized culture of Gaul under the rule of the Roman Empire. This was characterized by the Gaulish adoption or adaptation of Roman morals, the well-studied meld of cultures in Gaul gives historians a model against which to compare and contrast parallel developments of Romanization in other, less-studied Roman provinces. The barbarian invasions beginning in the fifth century forced upon Gallo-Roman culture fundamental changes in politics, in the economic underpinning. The Gothic settlement of 418 offered a double loyalty, as Western Roman authority disintegrated at Rome, the plight of the highly Romanized governing class is examined by R. W. Mathisen, the struggles of bishop Hilary of Arles by M. Heinzelmann. Into the seventh century, Gallo-Roman culture would persist particularly in the areas of Gallia Narbonensis that developed into Occitania, Cisalpine Gaul and to a lesser degree, the formerly Romanized north of Gaul, once it had been occupied by the Franks, would develop into Merovingian culture instead. Based on mutual intelligibility, David Dalby counts seven languages descended from Gallo-Romance, Gallo-Wallon, French, Franco-Provençal, Romansh, Ladin, Friulian, however, other definitions are far broader, variously encompassing the Rhaeto-Romance languages, Occitano-Romance languages, and Gallo-Italic languages. Over the course of the Roman period, a proportion of Gauls gained Roman citizenship. In 212 the Constitutio Antoniniana extended citizenship to all men in the Roman Empire. During the Crisis of the Third Century, from 260 to 274, in reaction to local problems the Gallo-Romans appointed their own emperor Postumus. The capital was Trier which was used as the northern capital of the Roman Empire by many emperors. The Gallic Empire ended when Aurelian decisively defeated Tetricus I at Chalons, assimilation was eased by interpreting indigenous gods in Roman terms, such as with Lenus Mars or Apollo Grannus. Otherwise, a Roman god might be paired with a goddess, as with Mercury. In at least one case – that of the equine goddess Epona – a native Gallic goddess was also adopted by Rome, eastern mystery religions penetrated Gaul early on. These included the cults of Orpheus, Mithras, Cybele, some of the communities had origins that predated the third-century persecutions. The exhibition of Gallo-Roman silver highlighted specifically Gallo-Roman silver from the treasures found at Chaourse, Mâcon, Graincourt-lès-Havrincourt, Notre-Dame dAllençon, the two more Romanized of the three Gauls were bound together in a network of Roman roads that linked cities. Via Domitia, reached from Nîmes to the Pyrenees, where it joined the Via Augusta at the Col de Panissars, via Aquitania reached from Narbonne, where it connected to the Via Domitia, to the Atlantic Ocean through Toulouse to Bordeaux. Via Scarponensis connected Trier to Lyon through Metz, Lyon, the capital of Roman Gaul, is now the site of the Gallo-Roman Museum of Lyon, associated with the remains of the theater and odeon of Roman Lugdunum
Gallo-Roman
–
Gallo-Roman figures found in
Ingelheim
Gallo-Roman
–
Northern Gaul "
sou ", 440-450, 4240mg.
Hotel de la Monnaie.
Gallo-Roman
–
A
Gallic warrior dressed in Roman hamata with a cloak over it whilst wearing a
torc
Gallo-Roman
–
Gallo-Roman Christian
sarcophagus,
Rignieux-le-Franc (
Ain), end of fourth century.
Louvre Museum.
19.
Mercury (mythology)
–
Mercury is a major Roman god, being one of the Dii Consentes within the ancient Roman pantheon. He is the god of financial gain, commerce, eloquence, messages/communication, travelers, boundaries, luck, trickery and thieves. He was considered the son of Maia and Jupiter in Roman mythology, in his earliest forms, he appears to have been related to the Etruscan deity Turms, both gods share characteristics with the Greek god Hermes. He is often depicted holding the caduceus in his left hand, similar to his Greek equivalent he was awarded the caduceus by Apollo who handed him a magic wand, which later turned into the caduceus. Mercury did not appear among the di indigetes of early Roman religion. Rather, he subsumed the earlier Dei Lucrii as Roman religion was syncretized with Greek religion during the time of the Roman Republic, starting around the 4th century BC. He was often accompanied by a cockerel, herald of the new day, a ram or goat, symbolizing fertility, like Hermes, he was also a god of messages, eloquence and of trade, particularly of the grain trade. Mercury was also considered a god of abundance and commercial success, particularly in Gaul and he was also, like Hermes, the Romans psychopomp, leading newly deceased souls to the afterlife. Additionally, Ovid wrote that Mercury carried Morpheus dreams from the valley of Somnus to sleeping humans, archeological evidence from Pompeii suggests that Mercury was among the most popular of Roman gods. The god of commerce was depicted on two bronze coins of the Roman Republic, the Sextans and the Semuncia. This is probably because in the Roman syncretism, Mercury was equated with the Celtic god Lugus, Romans associated Mercury with the Germanic god Wotan, by interpretatio Romana, 1st-century Roman writer Tacitus identifies him as the chief god of the Germanic peoples. The Romans also made use of small statues of Mercury. Mercurius Arvernus, a syncretism of the Celtic Arvernus with Mercury, Mercurius Cimbrianus, a syncretism of Mercury with a god of the Cimbri sometimes thought to represent Odin. Mercurius Cissonius, a combination of Mercury with the Celtic god Cissonius, Mercurius Esibraeus, a syncretism of the Iberian deity Esibraeus with the Roman deity Mercury. Esibraeus is mentioned only in an inscription found at Medelim, Portugal, and is possibly the deity as Banda Isibraiegus. Mercurius Gebrinius, a syncretism of Mercury with the Celtic or Germanic Gebrinius, known from an inscription on an altar in Bonn, Mercurius Moccus, from a Celtic god, Moccus, who was equated with Mercury, known from evidence at Langres, France. The name Moccus implies that this deity was connected to boar-hunting, Mercurius Visucius, a syncretism of the Celtic god Visucius with the Roman god Mercury, attested in an inscription from Stuttgart, Germany. Visucius was worshiped primarily in the area of the empire in Gaul
Mercury (mythology)
–
Early Roman bronze statuette of Mercury, found near Huis, France (
British Museum)
Mercury (mythology)
–
Marcus Aurelius (
head covered) sacrificing at the Temple of Jupiter
Mercury (mythology)
–
Hendrik Goltzius: Mercury, with his symbols
Mercury (mythology)
–
Mercury portrait on a bronze
Semuncia (215–211 BC)
20.
Blaise Pascal
–
Blaise Pascal was a French mathematician, physicist, inventor, writer and Christian philosopher. He was a prodigy who was educated by his father. Pascal also wrote in defence of the scientific method, in 1642, while still a teenager, he started some pioneering work on calculating machines. After three years of effort and 50 prototypes, he built 20 finished machines over the following 10 years, following Galileo Galilei and Torricelli, in 1647, he rebutted Aristotles followers who insisted that nature abhors a vacuum. Pascals results caused many disputes before being accepted, in 1646, he and his sister Jacqueline identified with the religious movement within Catholicism known by its detractors as Jansenism. Following a religious experience in late 1654, he began writing works on philosophy. His two most famous works date from this period, the Lettres provinciales and the Pensées, the set in the conflict between Jansenists and Jesuits. In that year, he wrote an important treatise on the arithmetical triangle. Between 1658 and 1659 he wrote on the cycloid and its use in calculating the volume of solids, Pascal had poor health, especially after the age of 18, and he died just two months after his 39th birthday. Pascal was born in Clermont-Ferrand, which is in Frances Auvergne region and he lost his mother, Antoinette Begon, at the age of three. His father, Étienne Pascal, who also had an interest in science and mathematics, was a local judge, Pascal had two sisters, the younger Jacqueline and the elder Gilberte. In 1631, five years after the death of his wife, the newly arrived family soon hired Louise Delfault, a maid who eventually became an instrumental member of the family. Étienne, who never remarried, decided that he alone would educate his children, for they all showed extraordinary intellectual ability, the young Pascal showed an amazing aptitude for mathematics and science. Particularly of interest to Pascal was a work of Desargues on conic sections and it states that if a hexagon is inscribed in a circle then the three intersection points of opposite sides lie on a line. Pascals work was so precocious that Descartes was convinced that Pascals father had written it, in France at that time offices and positions could be—and were—bought and sold. In 1631 Étienne sold his position as president of the Cour des Aides for 65,665 livres. The money was invested in a government bond which provided, if not a lavish, then certainly a comfortable income which allowed the Pascal family to move to, but in 1638 Richelieu, desperate for money to carry on the Thirty Years War, defaulted on the governments bonds. Suddenly Étienne Pascals worth had dropped from nearly 66,000 livres to less than 7,300 and it was only when Jacqueline performed well in a childrens play with Richelieu in attendance that Étienne was pardoned
Blaise Pascal
–
Painting of Blaise Pascal made by François II Quesnel for Gérard Edelinck in 1691.
Blaise Pascal
–
An early
Pascaline on display at the
Musée des Arts et Métiers, Paris
Blaise Pascal
–
Portrait of Pascal
Blaise Pascal
–
Pascal studying the
cycloid, by
Augustin Pajou, 1785,
Louvre
21.
Evangelista Torricelli
–
Evangelista Torricelli was born on 15 October 1608 in Rome, he invented the barometer in Florence, Italy. The firstborn child of Gaspare Ruberti and Giacoma Torricelli and his family was from Faenza in the Province of Ravenna, then part of the Papal States. His father was a worker and the family was very poor. Seeing his talents, his parents sent him to be educated in Faenza, under the care of his uncle, Jacobo, a Camaldolese monk, who first ensured that his nephew was given a sound basic education. He then entered young Torricelli into a Jesuit College in 1624, possibly the one in Faenza itself, to mathematics and philosophy until 1626, by which time his father. The uncle then sent Torricelli to Rome to study science under the Benedictine monk Benedetto Castelli, Castelli was a student of Galileo Galilei. Benedetto Castelli made experiments on running water, and he was entrusted by Pope Urban VIII with hydraulic undertakings, there is no actual evidence that Torricelli was enrolled at the university. It is almost certain that Torricelli was taught by Castelli, in exchange he worked for him as his secretary from 1626 to 1632 as a private arrangement. Because of this, Torricelli was exposed to experiments funded by Pope Urban VIII, while living in Rome, Torricelli became also the student of the brilliant mathematician, Bonaventura Cavalieri, with whom he became great friends. It was in Rome that Torricelli also became friends with two students of Castelli, Raffaello Magiotti and Antonio Nardi. Galileo referred to Torricelli, Magiotti, and Nardi affectionately as his triumvirate in Rome, although Galileo promptly invited Torricelli to visit, he did not accept until just three months before Galileos death. The reason for this was that Torricellis mother, Caterina Angetti died, after Galileos death on 8 January 1642, Grand Duke Ferdinando II de Medici asked him to succeed Galileo as the grand-ducal mathematician and chair of mathematics at the University of Pisa. Right before the appointment, Torricelli was considering returning to Rome because of there being nothing left for him in Florence, in this role he solved some of the great mathematical problems of the day, such as finding a cycloids area and center of gravity. As a result of study, he wrote the book the Opera Geometrica in which he described his observations. The book was published in 1644 and he was interested in Optics, and invented a method whereby microscopic lenses might be made of glass which could be easily melted in a lamp. As a result, he designed and built a number of telescopes and simple microscopes, several large lenses, on 11 June 1644, he famously wrote in a letter to Michelangelo Ricci, Noi viviamo sommersi nel fondo dun pelago daria. Torricelli died in Florence on 25 October 1647,10 days after his 39th birthday and he left all his belongings to his adopted son Alessandro. This early work owes much to the study of the classics, in Faenza, a statue of Torricelli was created in 1868 as a thank you for all that Torricelli had done in advancing science during his short lifetime
Evangelista Torricelli
–
Evangelista Torricelli portrayed on the frontpage of Lezioni d'Evangelista Torricelli
Evangelista Torricelli
–
Torricelli's statue in the
Museo di Storia Naturale di Firenze
Evangelista Torricelli
–
Evangelista Torricelli by Lorenzo Lippi (circa 1647, Galleria Silvano Lodi & Due)
Evangelista Torricelli
–
NSRW Torricelli's experiment
22.
Barometer
–
A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. Pressure tendency can forecast short term changes in the weather, numerous measurements of air pressure are used within surface weather analysis to help find surface troughs, high pressure systems and frontal boundaries. Barometers and pressure altimeters are essentially the same instrument, but used for different purposes, the main exception to this is ships at sea, which can use a barometer because their elevation does not change. Due to the presence of weather systems, aircraft altimeters may need to be adjusted as they fly between regions of varying normalized atmospheric pressure. On July 27,1630, Giovanni Battista Baliani wrote a letter to Galileo Galilei explaining an experiment he had made in which a siphon, led over a hill about twenty-one meters high, failed to work. This was a restatement of the theory of horror vacui, which dates to Aristotle, galileos ideas reached Rome in December 1638 in his Discorsi. Raffaele Magiotti and Gasparo Berti were excited by these ideas, Magiotti devised such an experiment, and sometime between 1639 and 1641, Berti carried it out. The bottom end of the tube was opened, and water that had been inside of it poured out into the basin. What was most important about this experiment was that the water had left a space above it in the tube which had no intermediate contact with air to fill it up. This seemed to suggest the possibility of a vacuum existing in the space above the water, Torricelli, a friend and student of Galileo, interpreted the results of the experiments in a novel way. He proposed that the weight of the atmosphere, not a force of the vacuum. It was traditionally thought that the air did not have weight, that is. Even Galileo had accepted the weightlessness of air as a simple truth, Torricelli questioned that assumption, and instead proposed that air had weight and that it was the latter which held up the column of water. He thought that the level the water stayed at was reflective of the force of the airs weight pushing on it. In other words, he viewed the barometer as a balance, an instrument for measurement and he needed to use a liquid that was heavier than water, and from his previous association and suggestions by Galileo, he deduced by using mercury, a shorter tube could be used. With mercury, which is about 14 times heavier than water, Pascal further devised an experiment to test the Aristotelian proposition that it was vapors from the liquid that filled the space in a barometer. His experiment compared water with wine, and since the latter was considered more spiritous, Pascal performed the experiment publicly, inviting the Aristotelians to predict the outcome beforehand. The Aristotelians predicted the wine would stand lower, however, Pascal went even further to test the mechanical theory
Barometer
–
Mercury barometers from the
Musée des Arts et Métiers,
Paris
Barometer
–
Goethe's device
Barometer
–
Old aneroid barometer
Barometer
–
Modern aneroid barometer
23.
Mercury (element)
–
Mercury is a chemical element with symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum, Mercury occurs in deposits throughout the world mostly as cinnabar. The red pigment vermilion is obtained by grinding natural cinnabar or synthetic mercuric sulfide, likewise, mechanical pressure gauges and electronic strain gauge sensors have replaced mercury sphygmomanometers. Mercury remains in use in research applications and in amalgam for dental restoration in some locales. It is used in fluorescent lighting, electricity passed through mercury vapor in a fluorescent lamp produces short-wave ultraviolet light which then causes the phosphor in the tube to fluoresce, making visible light. Mercury poisoning can result from exposure to water-soluble forms of mercury, Mercury is a heavy, silvery-white liquid metal. Compared to other metals, it is a conductor of heat. It has a point of −38.83 °C and a boiling point of 356.73 °C. Upon freezing, the volume of mercury decreases by 3. 59%, the coefficient of volume expansion is 181.59 × 10−6 at 0 °C,181.71 × 10−6 at 20 °C and 182.50 × 10−6 at 100 °C. Solid mercury is malleable and ductile and can be cut with a knife, because this configuration strongly resists removal of an electron, mercury behaves similarly to noble gases, which form weak bonds and hence melt at low temperatures. The stability of the 6s shell is due to the presence of a filled 4f shell, an f shell poorly screens the nuclear charge that increases the attractive Coulomb interaction of the 6s shell and the nucleus. Like silver, mercury reacts with hydrogen sulfide. Mercury reacts with solid sulfur flakes, which are used in mercury spill kits to absorb mercury, Mercury dissolves many other metals such as gold and silver to form amalgams. Iron is an exception, and iron flasks have traditionally used to trade mercury. Several other first row transition metals with the exception of manganese, copper, other elements that do not readily form amalgams with mercury include platinum. Sodium amalgam is a reducing agent in organic synthesis, and is also used in high-pressure sodium lamps. Mercury readily combines with aluminium to form a mercury-aluminium amalgam when the two pure metals come into contact, since the amalgam destroys the aluminium oxide layer which protects metallic aluminium from oxidizing in-depth, even small amounts of mercury can seriously corrode aluminium. For this reason, mercury is not allowed aboard an aircraft under most circumstances because of the risk of it forming an amalgam with exposed aluminium parts in the aircraft, Mercury embrittlement is the most common type of liquid metal embrittlement
Mercury (element)
–
Mercury, 80 Hg
Mercury (element)
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Spectral lines of mercury (UV not seen)
Mercury (element)
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A
pound coin (density ~7.6 g/cm 3) floats in mercury due to the combination of the
buoyant force and
surface tension.
Mercury (element)
–
Mercury-discharge spectral calibration lamp
24.
Paragliding
–
Paragliding is the recreational and competitive adventure sport of flying paragliders, lightweight, free-flying, foot-launched glider aircraft with no rigid primary structure. The pilot sits in a harness suspended below a fabric wing comprising a number of interconnected baffled cells. Wing shape is maintained by the lines, the pressure of air entering vents in the front of the wing. Despite not using an engine, paragliders flight can last many hours and cover many hundreds of kilometers, by skillful exploitation of sources of lift, the pilot may gain height, often climbing to altitudes of a few thousand meters. Jalbert advanced governable gliding parachutes with multi-cells and controls for lateral glide, in 1954, Walter Neumark predicted a time when a glider pilot would be able to launch himself by running over the edge of a cliff or down a slope. Whether on a holiday in Skye or ski-ing in the Alps. In 1961, the French engineer Pierre Lemoigne produced improved parachute designs that led to the Para-Commander, the PC had cutouts at the rear and sides that enabled it to be towed into the air and steered – leading to parasailing/parascending. He filed US Patent 3131894 on January 10,1963, about that same time, David Barish was developing the sail wing for recovery of NASA space capsules – slope soaring was a way of testing out. After tests on Hunter Mountain, New York, in September 1965, authors Patrick Gilligan and Bertrand Dubuis wrote the first flight manual, The Paragliding Manual in 1985, officially coining the word paragliding. These developments were combined in June 1978 by three friends, Jean-Claude Bétemps, André Bohn and Gérard Bosson, from Mieussy, Haute-Savoie, Bohn followed him and glided down to the football pitch in the valley 1000 metres below. From the 1980s, equipment has continued to improve, and the number of paragliding pilots, the first Paragliding World Championship was held in Verbier, Switzerland, in 1987, though the first officially sanctioned FAI World Championship was held in Kössen, Austria, in 1989. Europe has seen the greatest growth in paragliding, with France alone currently registering over 25,000 active pilots, the paraglider wing or canopy is usually what is known in aeronautical engineering as a ram-air airfoil. Such wings comprise two layers of fabric that are connected to supporting material in such a way as to form a row of cells. By leaving most of the open only at the leading edge, incoming air keeps the wing inflated. When inflated, the wings cross-section has the typical teardrop aerofoil shape, modern paraglider wings are made of high-performance non-porous materials such as ripstop polyester or nylon fabric. In some modern paragliders, especially wings, some of the cells of the leading edge are closed to form a cleaner aerodynamic profile. Holes in the internal ribs allow a flow of air from the open cells to these closed cells to inflate them, and also to the wingtips. The pilot is supported underneath the wing by a network of suspension lines and these start with two sets of risers made of short lengths of strong webbing
Paragliding
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Paragliding over the bay of Portonovo, Ancona Italy, 2014
Paragliding
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Takeoff from a ramp, Tegelberg,
Schwangau, Germany
Paragliding
–
Tandem Paragliding at
Solang Valley,
Manali,
Himachal Pradesh, India
Paragliding
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Land-based practice: Kiting
25.
Trail
–
A trail is usually a path, track or unpaved lane or road, though the term is also applied, in North America, to routes along rivers, and sometimes to highways. In the United Kingdom and the Republic of Ireland path or footpath is the term for a walking trail. There are also unpaved trails used by dirt bikes and other off-road vehicles, in some places, like the Alps, trails are used for moving cattle and other livestock. In the US, the term was used for a route into or through wild territory used by emigrants. In Australia, the track can be used interchangeably with trail. Walkway is used similarly in St. Johns, Newfoundland, Canada, in the United Kingdom, the term trail is in common usage. Longer distance walking routes, and government-promoted long distance paths, collectively known as National Trails, are frequently called ways, as in the Pennine Way. Generally the term footpath is preferred for pedestrian routes, including long distance trails, track is used for wider paths, often used for hiking. The terms bridleway, byway, restricted byway are all recognised legal terms, the increased popularity of mountain biking has led to a proliferation of mountain bike trails in many countries. Often these will be grouped to form complexes, known as trail centers. A particularly unusual use of the term is in the Canadian province of Alberta, Shared use may be achieved by sharing a trail easement, but within it maintaining segregated and sometimes also separated trail treads. This is common in rail trails, Shared use may also refer to alternate day arrangements, whereby two uses are segregated by being permitted on alternate days. The Trans Canada Trail can be used by hikers, walkers, cyclists, horseback riders, the network makes use of towpaths on river banks and disused railway or vicinal tramway lines. Old railway lines have been leased by the Walloon Government for 99 years using emphyteutic lease contracts, where necessary, new paths are created to link parts of the network. Thus the right to cycle exists even though it may be difficult to exercise on occasion, Cyclists using a bridleway are obliged to give way to other users on foot or horseback. The seawall in Stanley Park, Vancouver, Canada is popular for walking, running, cycling, there are two paths, one for skaters and cyclists and the other for pedestrians. The lane for cyclists and skaters goes one-way in a counterclockwise loop, foreshoreway is a term used in Australia for a type of greenway that provides a public right-of-way along the edge of the sea open to both walkers and cyclists. A forest road is a type of access road, built mainly for the forest industry
Trail
–
A country track, or
fieldway, in
Slovenia
Trail
–
Mountain bike trail in the
Forest of Dean,
England.
Trail
–
Trail at the "
Serra dos Órgãos " National Park,
Petrópolis,
Brazil
Trail
–
An abandoned mining trail in the
Jinguashi mining area in
Taiwan
26.
Roman road
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They provided efficient means for the overland movement of armies, officials, and civilians, and the inland carriage of official communications and trade goods. Roman roads were of several kinds, ranging from local roads to broad, long-distance highways built to connect cities, major towns. These major roads were often stone-paved and metaled, cambered for drainage and they were laid along accurately surveyed courses, and some were cut through hills, or conducted over rivers and ravines on bridgework. Sections could be supported over marshy ground on rafted or piled foundations, at the peak of Romes development, no fewer than 29 great military highways radiated from the capital, and the late Empires 113 provinces were interconnected by 372 great roads. The whole comprised more than 400,000 kilometres of roads, in Gaul alone, no less than 21,000 kilometres of roadways are said to have been improved, and in Britain at least 4,000 kilometres. The courses of many Roman roads survived for millennia, some are overlaid by modern roads, livy mentions some of the most familiar roads near Rome, and the milestones on them, at times long before the first paved road—the Appian Way. Unless these allusions are just simple anachronisms, the referred to were probably at the time little more than levelled earthen tracks. Thus, the Via Gabina is mentioned in about 500 BC, the Via Latina in about 490 BC, the Via Nomentana, in 449 BC, the Via Labicana in 421 BC, and the Via Salaria in 361 BC. There is hardly a district to which we expect a Roman official to be sent, on service either civil or military. They reach the Wall in Britain, run along the Rhine, the Danube, and the Euphrates, and cover, as with a network, a road map of the empire reveals that it was generally laced with a dense network of prepared viae. Beyond its borders there were no paved roads, however, it can be supposed that footpaths, there were, for instance, some pre-Roman ancient trackways in Britain, such as the Ridgeway and the Icknield Way. For specific roads, see Roman road locations below, the Laws of the Twelve Tables, dated to about 450 BC, specified that a road shall be 8 Roman feet wide where straight and twice that width where curved. Actual practices varied from this standard, the Tables command Romans to build roads and give wayfarers the right to pass over private land where the road is in disrepair. Roman law defined the right to use a road as a servitus, the ius eundi established a claim to use an iter, or footpath, across private land, the ius agendi, an actus, or carriage track. A via combined both types of servitutes, provided it was of the width, which was determined by an arbiter. The default width was the latitudo legitima of 8 feet, Roman law and tradition forbade the use of vehicles in urban areas, except in certain cases. Married women and government officials on business could ride, the Lex Iulia Municipalis restricted commercial carts to night-time access in the city within the walls and within a mile outside the walls. Such roads led either to the sea, or to a town, or to a public river and these roads bear the names of their constructors
Roman road
–
A Roman street in
Pompeii
Roman road
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Road construction on Trajan's Column
Roman road
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The remains of Emperor Trajan's route along the Danube (see
Roman Serbia)
Roman road
–
Roman auxiliary infantry crossing a river, probably the Danube, on a pontoon bridge during the emperor Trajan's Dacian Wars (101–106)
27.
GR footpath
–
The trails in France alone cover approximately 60,000 kilometres. Trails are blazed with characteristic marks consisting of a stripe above a red stripe. These appear regularly along the route, especially at places like forks or crossroads, the network is maintained in France by the Fédération Française de la Randonnée Pédestre, and in Spain by the Federación Española de Deportes de Montaña y Escalada. Many GR routes make up part of the longer European walking routes which cross several countries, waymarks are often painted, but may take the form of metal signs in city centers
GR footpath
–
The characteristic
white and
red stripes that mark the path of a GR
GR footpath
–
An X marks a trail or direction that deviates from the GR path.
GR footpath
–
Trailside marker and local observers alongside GR 76A
GR footpath
–
Follow the track
28.
Rack railway
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A rack railway is a steep grade railway with a toothed rack rail, usually between the running rails. The trains are fitted with one or more cog wheels or pinions that mesh with this rack rail and this allows the trains to operate on steep grades above around 7 to 10%, which is the maximum for friction-based rail. Most rack railways are mountain railways, although a few are transit railways or tramways built to overcome a steep gradient in an urban environment. The first cog railway was the Middleton Railway between Middleton and Leeds in West Yorkshire, England, UK, where the first commercially successful steam locomotive, Salamanca and this used a rack and pinion system designed and patented in 1811 by John Blenkinsop. The first mountain cog railway was the Mount Washington Cog Railway in the US state of New Hampshire, the track was completed to reach the summit of Mount Washington in 1869. The first mountain railway in continental Europe was the Vitznau-Rigi-Bahn on Mount Rigi in Switzerland. A number of different rack systems have been developed, today, the majority of rack railways use the Abt system. Blenkinsops system remained in use for 25 years on the Middleton Railway, Rack systems place the rack rail halfway between the running rails, with the exception of some early Morgan rack installations. The first successful rack railway in the US was the Mount Washington Cog Railway, the first public trial of the Marsh rack on Mount Washington was made on August 29,1866, when only one quarter of a mile of track had been completed. The Mount Washington railway opened to the public on August 14,1868, the Riggenbach rack system was invented by Niklaus Riggenbach working at about the same time as, but independently from Marsh. Riggenbach was granted a French patent in 1863 based on a model which he used to interest potential Swiss backers. During this time, the Swiss Consul to the United States visited Marshs Mount Washington Cog Railway, eager to boost tourism in Switzerland, the government commissioned Riggenbach to build a rack railway up Rigi Mountain. Following the construction of a locomotive and test track in a quarry near Bern. The Riggenbach system is similar in design to the Marsh system and it uses a ladder rack, formed of steel plates or channels connected by round or square rods at regular intervals. The Riggenbach system suffers from the problem that its fixed ladder rack is more complex, following the success of the Vitznau-Rigi-Bahn, Riggenbach established the Maschinenfabrik der Internationalen Gesellschaft für Bergbahnen - a company that produced rack locomotives to his design. The Strub rack system was invented by Emil Strub in 1896 and it uses a rolled flat-bottom rail with rack teeth machined into the head approximately 100 mm apart. Safety jaws fitted to the locomotive engage with the underside of the head to prevent derailments, strubs US Patent, granted in 1898, also includes details of how the rack rail is integrated with the mechanism of a turnout. The best-known use of the Strub system is on the Jungfraubahn in Switzerland and it is the simplest rack system to maintain and has become increasingly popular
Rack railway
–
Locomotive nr 7 of the
Vitznau-Rigi-Bahn, one of the last operational locomotives with a vertical boiler.
Rack railway
–
End of the rack in the Saline-Volterra railway, built with Strub system.
Rack railway
–
Different rack systems: from the left,
Riggenbach,
Strub,
Abt and
Locher.
Rack railway
–
Blenkinsop rack and pinion with teeth on outer side of one rail only
29.
Visitor centre
–
A visitor center or centre, visitor information center, tourist information center, is a physical location that provides tourist information to the visitors who tour the place or area locally. Often a film or other media display is used, if the site has permit requirements or guided tours, the visitor center is often the place where these are coordinated. A tourist information center, providing visitors to a location with information on the attractions, lodgings, maps. Often, these centers are operated at the airport or other port of entry, often a visitor center is called simply an information center. A corporate visitor center, provides visitors with an easily accessible window into the corporation, Visitor centers used to provide fairly basic information about the place, corporation or event they are celebrating, acting more as the entry way to a place. The role of the center has been rapidly evolving over the past 10 years to become more of an experience. Many have become destinations and experiences in their own right, other TICs are run by local authorities or through private organisations such as local shops in association with BTA. In England, VisitEngland promotes domestic tourism, in Wales, the Welsh Government supports TICs through Visit Wales. In Scotland, the Scottish Government supports VisitScotland, the official tourist organisation of Scotland, in Poland there are special offices and tables giving free information about tourist attractions. These information centers are operated by the state they are located in, the first example opened on 4 May 1935, next to US12 in New Buffalo, Michigan, near the Indiana state line. In Ontario, there are 11 Ontario Travel Information Centres located along 400-series highways and it also provides assistance on various procedures or where tourists have problems of various kinds. Iperú receives complaints and suggestions for destinations and tourism companies operating in Peru, iperú, Tourist Information and Assistance has a nationwide network represented online by the Peru. The official tourist organization or national tourist board of Peru is PromPerú, in Australia, most visitor centres are local or state government-run, or in some cases as an association of tourism operators on behalf of the government, usually managed by a board or executive. Those that comply with an accreditation programme use the italic i as pictured above. Heritage center Heritage interpretation Interpretation center Nature center United States Capitol Visitor Center Communicating effectively with visitors -16 tips for visitor centers
Visitor centre
–
Cultural and Tourist Information Center in
Ducal Castle, Szczecin, Poland
Visitor centre
–
Symbol used in
Australia by accredited visitor centers
Visitor centre
–
Texas Travel Information Center located near
Laredo, Texas along
I-35, 18 miles from the
Mexico – United States border.
Visitor centre
–
Iperú, the national
Peruvian tourist information and assistance center. This office is located inside the Arrival Lounge of the
Crnl. FAP Francisco Secada Vignetta International Airport, in
Iquitos,
Peruvian Amazonia.
30.
Tour de France
–
The Tour de France is an annual multiple stage bicycle race primarily held in France, while also occasionally making passes through nearby countries. The race was first organized in 1903 to increase sales for the newspaper LAuto, the race has been held annually since its first edition in 1903 except when it was stopped for the two World Wars. As the Tour gained prominence and popularity the race was lengthened, participation expanded from a primarily French field, as riders from all over the world began to participate in the race each year. The Tour is a UCI World Tour event, which means that the teams compete in the race are mostly UCI WorldTeams. Traditionally, the race is primarily in the month of July. The modern editions of the Tour de France consist of 21 day-long segments over a 23-day period, the race alternates between clockwise and counterclockwise circuits of France. The number of teams usually varies between 20 and 22, with nine riders in each, all of the stages are timed to the finish, the riders times are compounded with their previous stage times. The rider with the lowest aggregate time is the leader of the race, gaining a stage win is also a hotly contested competition, fought for by a specialist cycling sprinter on each team. The Tour de France was created in 1903, the roots of the Tour de France trace back to the emergence of two rival sports newspapers in the country. On the one hand was Le Vélo, the first and the largest daily newspaper in France which sold 80,000 copies a day. On the other was LAuto, which had been set-up by journalists and business-people including Comte Jules-Albert de Dion, Adolphe Clément, the new newspaper appointed Henri Desgrange as the editor. He was a prominent cyclist and owner with Victor Goddet of the velodrome at the Parc des Princes, De Dion knew him through his cycling reputation, through the books and cycling articles that he had written, and through press articles he had written for the Clément tyre company. LAuto was not the success its backers wanted, stagnating sales lower than the rival it was intended to surpass led to a crisis meeting on 20 November 1902 on the middle floor of LAutos office at 10 Rue du Faubourg Montmartre, Paris. The last to speak was the most junior there, the chief cycling journalist, Desgrange had poached him from Giffards paper. Lefèvre suggested a six-day race of the sort popular on the track, long-distance cycle races were a popular means to sell more newspapers, but nothing of the length that Lefèvre suggested had been attempted. If it succeeded, it would help LAuto match its rival and it could, as Desgrange said, nail Giffards beak shut. Desgrange and Lefèvre discussed it after lunch, Desgrange was doubtful but the papers financial director, Victor Goddet, was enthusiastic. He handed Desgrange the keys to the safe and said
Tour de France
–
Maurice Garin, winner of the first Tour de France standing on the right. The man on the left is possibly
Leon Georget (1903)
Tour de France
–
Tour de France
Tour de France
–
Jacques Goddet memorial at the top of the
Col du Tourmalet
Tour de France
–
Fabian Cancellara pictured at the
2010 Tour de France. He is the rider who has worn the yellow jersey as leader of the
general classification for the most days without ever winning the race.
