1.
Observatory
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An observatory is a location used for observing terrestrial or celestial events. Astronomy, climatology/meteorology, geology, oceanography and volcanology are examples of disciplines for which observatories have been constructed, historically, observatories were as simple as containing an astronomical sextant or Stonehenge. Astronomical observatories are mainly divided into four categories, space based, airborne, ground based, ground-based observatories, located on the surface of Earth, are used to make observations in the radio and visible light portions of the electromagnetic spectrum. Most optical telescopes are housed within a dome or similar structure, Telescope domes have a slit or other opening in the roof that can be opened during observing, and closed when the telescope is not in use. In most cases, the upper portion of the telescope dome can be rotated to allow the instrument to observe different sections of the night sky. Radio telescopes usually do not have domes, for optical telescopes, most ground-based observatories are located far from major centers of population, to avoid the effects of light pollution. The ideal locations for modern observatories are sites that have dark skies, a percentage of clear nights per year, dry air. At high elevations, the Earths atmosphere is thinner, thereby minimizing the effects of atmospheric turbulence, sites that meet the above criteria for modern observatories include the southwestern United States, Hawaii, Canary Islands, the Andes, and high mountains in Mexico such as Sierra Negra. Major optical observatories include Mauna Kea Observatory and Kitt Peak National Observatory in the USA, Roque de los Muchachos Observatory in Spain, and Paranal Observatory in Chile. Specific research study performed in 2009 shows that the best possible location for ground-based observatory on Earth is Ridge A — a place in the part of Eastern Antarctica. This location provides the least atmospheric disturbances and best visibility, beginning in 1930s, radio telescopes have been built for use in the field of radio astronomy to observe the Universe in the radio portion of the electromagnetic spectrum. Since the mid-20th century, a number of observatories have been constructed at very high altitudes, above 4. The largest and most notable of these is the Mauna Kea Observatory, the Chacaltaya Astrophysical Observatory in Bolivia, at 5,230 m, was the worlds highest permanent astronomical observatory from the time of its construction during the 1940s until 2009. It has now surpassed by the new University of Tokyo Atacama Observatory. As a result, the resolution of space telescopes such as the Hubble Space Telescope is often much smaller than a ground-based telescope with a similar aperture. However, all these advantages do come with a price, Space telescopes are much more expensive to build than ground-based telescopes. Due to their location, space telescopes are also difficult to maintain. The Hubble Space Telescope was serviced by the Space Shuttle while many other space telescopes cannot be serviced at all, Airborne observatories have the advantage of height over ground installations, putting them above most of the Earths atmosphere
2.
BASE jumping
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BASE jumping, also sometimes written as B. A. S. E. Jumping, is parachuting or wingsuit flying from a structure or cliff. BASE is an acronym that stands for four categories of fixed objects from one can jump, building, antenna, span. Due to the altitudes of the jumps, BASE jumping is significantly more dangerous than skydiving from a plane. BASE jumping is currently regarded by many as an extreme sport or stunt. In some jurisdictions or locations, BASE jumping is prohibited or illegal, in places, however, it is permitted, like Perrine Bridge, in Twin Falls, Idaho. BASE jumping became known to the public by depictions of BASE jumping in a number of action movies and was featured in the 2014 documentary Sunshine Superman. The acronym B. A. S. E. was coined by filmmaker Carl Boenish, his wife Jean Boenish, Phil Smith, and Phil Mayfield. Carl Boenish was the catalyst behind modern BASE jumping, and in 1978, he filmed the first BASE jumps to be made using ram-air parachutes and the freefall tracking technique. While BASE jumps had been prior to that time, the El Capitan activity was the effective birth of what is now called BASE jumping. BASE numbers are awarded to those who have made at least one jump from each of the four categories, Jean and Carl Boenish qualified for BASE numbers 3 and 4 soon after. A separate award was enacted for Night BASE jumping when Mayfield completed each category at night, becoming Night BASE #1. However, these and other incidents were one-time experiments, not the systematic pursuit of a new form of parachuting. After 1978, the jumps from El Capitan were repeated, not as a publicity exercise or as a movie stunt. It was this that popularized BASE jumping more widely among parachutists, Carl Boenish continued to publish films and informational magazines on BASE jumping until his death in 1984 after a BASE-jump off of the Troll Wall. By this time, the concept had spread among skydivers worldwide, during the early eighties, nearly all BASE jumps were made using standard skydiving equipment, including two parachutes, and deployment components. Later on, specialized equipment and techniques were developed specifically for the needs of BASE jumping. Upon completing a jump from all of the four object categories, the 1000th application for a BASE number was filed in March 2005 and BASE #1000 was awarded to Matt Harley Moilanen of Grand Rapids, Michigan
3.
Kuala Lumpur
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Kuala Lumpur, officially the Federal Territory of Kuala Lumpur, or more commonly called KL is the national capital of Malaysia as well as its largest city. Being rated as an Alpha world city, Kuala Lumpur is the global city in Malaysia which covers an area of 243 km2 and has an estimated population of 1.73 million as of 2016. Greater Kuala Lumpur, also known as the Klang Valley, is an agglomeration of 7.25 million people as of 2017. It is among the fastest growing regions in South-East Asia, in terms of population. Kuala Lumpur is the seat of the Parliament of Malaysia, the city was once home to the executive and judicial branches of the federal government, but they were moved to Putrajaya in early 1999. Some sections of the judiciary still remain in the city of Kuala Lumpur. The official residence of the Malaysian King, the Istana Negara, is situated in Kuala Lumpur. Kuala Lumpur is the cultural, financial and economic centre of Malaysia due to its position as the capital as well as being a key city. Kuala Lumpur is one of three Federal Territories of Malaysia, enclaved within the state of Selangor, on the central west coast of Peninsular Malaysia. Since the 1990s, the city has played host to international sporting, political and cultural events including the 1998 Commonwealth Games. Kuala Lumpur has undergone rapid development in recent decades and it is home to the tallest twin buildings in the world, the Petronas Twin Towers, which have become an iconic symbol of Malaysias futuristic development. Kuala Lumpur means muddy confluence, kuala is the point where two rivers join together or an estuary, and lumpur means mud. One suggestion is that it was named after Sungai Lumpur, it was recorded in 1824 that Sungei Lumpoor was the most important tin-producing settlement up the Klang River. It has also proposed that Kuala Lumpur was originally named Pengkalan Lumpur in the same way that Klang was once called Pengkalan Batu. Another suggestion is that it was initially a Cantonese word lam-pa meaning flooded jungle or decayed jungle, there is however no firm contemporary evidence for these suggestions other than anecdotes. It is also possible that the name is a form of an earlier. It is unknown who founded or named the settlement called Kuala Lumpur, Kuala Lumpur was originally a small hamlet of just a few houses and shops at the confluence of Sungai Gombak and Sungai Klang before it grew into a town. The miners landed at Kuala Lumpur and continued their journey on foot to Ampang where the first mine was opened
4.
Geographic coordinate system
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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
5.
Malay language
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Malay is a major language of the Austronesian family. It has a status in Brunei, Indonesia, Malaysia. As the Bahasa Kebangsaan or Bahasa Nasional of several states, Standard Malay has various official names, in Singapore and Brunei it is called Bahasa Melayu, in Malaysia, Bahasa Malaysia, and in Indonesia, Bahasa Indonesia and is designated the Bahasa Persatuan/Pemersatu. However, in areas of central to southern Sumatra where the language is indigenous, Indonesians refer to it as Bahasa Melayu and consider it one of their regional languages. There are also several Malay trade and creole languages which are based on a lingua franca derived from Classical Malay, as well as Macassar Malay, Malay historical linguists agree on the likelihood of the Malay homeland being in western Borneo stretching to the Bruneian coast. A form known as Proto-Malay language was spoken in Borneo at least by 1000 BCE and was, it has been argued, the ancestral language of all subsequent Malayan languages. The history of the Malay language can be divided into five periods, Old Malay, the Transitional Period, the Malacca Period, Late Modern Malay and it is not clear that Old Malay was actually the ancestor of Classical Malay, but this is thought to be quite possible. Old Malay was influenced by Sanskrit literary language of Classical India, Sanskrit loanwords can be found in Old Malay vocabulary. Batenburg on November 29,1920 at Kedukan Bukit, South Sumatra, on the banks of the Tatang and it is a small stone of 45 by 80 centimetres. The earliest surviving manuscript in Malay is the Tanjong Tanah Law in post-Pallava letters and this 14th-century pre-Islamic legal text produced in the Adityawarman era of Dharmasraya, a Hindu-Buddhist kingdom that arose after the end of Srivijayan rule in Sumatra. The laws were for the Minangkabau people, who still live in the highlands of Sumatra. The Malay language came into use as the lingua franca of the Malacca Sultanate. During this period, the Malay language developed rapidly under the influence of Islamic literature, the development changed the nature of the language with massive infusion of Arabic, Malayalam and Sanskrit vocabularies, called Classical Malay. Under the Sultanate of Malacca the language evolved into a form recognisable to speakers of modern Malay, however, there is no connection between Malaccan Malay as used on Riau and the Riau vernacular. One of the oldest surviving letters written in Malay is a letter from Sultan Abu Hayat of Ternate, Maluku Islands in present-day Indonesia, the letter is addressed to the king of Portugal, following contact with Portuguese explorer Francisco Serrão. The letters show sign of non-native usage, the Ternateans used the unrelated Ternate language, Malay was used solely as a lingua franca for inter-ethnic communications. Malay is a member of the Austronesian family of languages, which includes languages from Southeast Asia, malagasy, a geographic outlier spoken in Madagascar in the Indian Ocean, is also a member of this language family. Although each language of the family is mutually unintelligible, their similarities are rather striking, many roots have come virtually unchanged from their common ancestor, Proto-Austronesian language
6.
Chinese language
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Chinese is a group of related, but in many cases mutually unintelligible, language varieties, forming a branch of the Sino-Tibetan language family. Chinese is spoken by the Han majority and many ethnic groups in China. Nearly 1.2 billion people speak some form of Chinese as their first language, the varieties of Chinese are usually described by native speakers as dialects of a single Chinese language, but linguists note that they are as diverse as a language family. The internal diversity of Chinese has been likened to that of the Romance languages, There are between 7 and 13 main regional groups of Chinese, of which the most spoken by far is Mandarin, followed by Wu, Min, and Yue. Most of these groups are mutually unintelligible, although some, like Xiang and certain Southwest Mandarin dialects, may share common terms, all varieties of Chinese are tonal and analytic. Standard Chinese is a form of spoken Chinese based on the Beijing dialect of Mandarin. It is the language of China and Taiwan, as well as one of four official languages of Singapore. It is one of the six languages of the United Nations. The written form of the language, based on the logograms known as Chinese characters, is shared by literate speakers of otherwise unintelligible dialects. Of the other varieties of Chinese, Cantonese is the spoken language and official in Hong Kong and Macau. It is also influential in Guangdong province and much of Guangxi, dialects of Southern Min, part of the Min group, are widely spoken in southern Fujian, with notable variants also spoken in neighboring Taiwan and in Southeast Asia. Hakka also has a diaspora in Taiwan and southeast Asia. Shanghainese and other Wu varieties are prominent in the lower Yangtze region of eastern China, Chinese can be traced back to a hypothetical Sino-Tibetan proto-language. The first written records appeared over 3,000 years ago during the Shang dynasty, as the language evolved over this period, the various local varieties became mutually unintelligible. In reaction, central governments have sought to promulgate a unified standard. Difficulties have included the great diversity of the languages, the lack of inflection in many of them, in addition, many of the smaller languages are spoken in mountainous areas that are difficult to reach, and are often also sensitive border zones. Without a secure reconstruction of proto-Sino-Tibetan, the structure of the family remains unclear. A top-level branching into Chinese and Tibeto-Burman languages is often assumed, the earliest examples of Chinese are divinatory inscriptions on oracle bones from around 1250 BCE in the late Shang dynasty
7.
Malaysia
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Malaysia is a federal constitutional monarchy located in Southeast Asia. Peninsular Malaysia shares a land and maritime border with Thailand and maritime borders with Singapore, Vietnam, East Malaysia shares land and maritime borders with Brunei and Indonesia and a maritime border with the Philippines and Vietnam. The capital city is Kuala Lumpur, while Putrajaya is the seat of the federal government, with a population of over 30 million, Malaysia is the 44th most populous country. The southernmost point of continental Eurasia, Tanjung Piai, is in Malaysia, located in the tropics, Malaysia is one of 17 megadiverse countries on earth, with large numbers of endemic species. Malaysia has its origins in the Malay kingdoms present in the area which, from the 18th century, the first British territories were known as the Straits Settlements, whose establishment was followed by the Malay kingdoms becoming British protectorates. The territories on Peninsular Malaysia were first unified as the Malayan Union in 1946, Malaya was restructured as the Federation of Malaya in 1948, and achieved independence on 31 August 1957. Malaya united with North Borneo, Sarawak, and Singapore on 16 September 1963 to become Malaysia, less than two years later in 1965, Singapore was expelled from the federation. The country is multi-ethnic and multi-cultural, which plays a role in politics. About half the population is ethnically Malay, with minorities of Malaysian Chinese, Malaysian Indians. The constitution declares Islam the state religion while allowing freedom of religion for non-Muslims, the government system is closely modelled on the Westminster parliamentary system and the legal system is based on common law. The head of state is the king, known as the Yang di-Pertuan Agong and he is an elected monarch chosen from the hereditary rulers of the nine Malay states every five years. The head of government is the prime minister, since its independence, Malaysia has had one of the best economic records in Asia, with its GDP growing at an average of 6. 5% per annum for almost 50 years. The economy has traditionally been fuelled by its resources, but is expanding in the sectors of science, tourism, commerce. Today, Malaysia has a newly industrialised market economy, ranked third largest in Southeast Asia, the name Malaysia is a combination of the word Malay and the Latin-Greek suffix -sia/-σία. The word melayu in Malay may derive from the Tamil words malai and ur meaning mountain and city, land, malayadvipa was the word used by ancient Indian traders when referring to the Malay Peninsula. Whether or not it originated from these roots, the word melayu or mlayu may have used in early Malay/Javanese to mean to steadily accelerate or run. This term was applied to describe the current of the river Melayu in Sumatra. The name was adopted by the Melayu Kingdom that existed in the seventh century on Sumatra
8.
Antenna (radio)
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In radio and electronics, an antenna, or aerial, is an electrical device which converts electric power into radio waves, and vice versa. It is usually used with a transmitter or radio receiver. In reception, an antenna intercepts some of the power of a wave in order to produce a tiny voltage at its terminals. Antennas are essential components of all equipment that uses radio, typically an antenna consists of an arrangement of metallic conductors, electrically connected to the receiver or transmitter. These time-varying fields radiate away from the antenna into space as a transverse electromagnetic field wave. Antennas can be designed to transmit and receive radio waves in all directions equally. The first antennas were built in 1888 by German physicist Heinrich Hertz in his experiments to prove the existence of electromagnetic waves predicted by the theory of James Clerk Maxwell. Hertz placed dipole antennas at the point of parabolic reflectors for both transmitting and receiving. He published his work in Annalen der Physik und Chemie, the words antenna and aerial are used interchangeably. Occasionally the term aerial is used to mean a wire antenna, however, note the important international technical journal, the IEEE Transactions on Antennas and Propagation. In the United Kingdom and other areas where British English is used, the origin of the word antenna relative to wireless apparatus is attributed to Italian radio pioneer Guglielmo Marconi. In the summer of 1895, Marconi began testing his wireless system outdoors on his fathers estate near Bologna, Marconi discovered that by raising the aerial wire above the ground and connecting the other side of his transmitter to ground, the transmission range was increased. Soon he was able to transmit signals over a hill, a distance of approximately 2.4 kilometres, in Italian a tent pole is known as lantenna centrale, and the pole with the wire was simply called lantenna. Until then wireless radiating transmitting and receiving elements were simply as aerials or terminals. Because of his prominence, Marconis use of the word spread among wireless researchers. In common usage, the antenna may refer broadly to an entire assembly including support structure, enclosure. Especially at microwave frequencies, an antenna may include not only the actual electrical antenna. An antenna, in converting radio waves to electrical signals or vice versa, is a form of transducer, Antennas are required by any radio receiver or transmitter to couple its electrical connection to the electromagnetic field
9.
Elevator
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An elevator or lift is a type of vertical transportation that moves people or goods between floors of a building, vessel, or other structure. Elevators are generally powered by electric motors that either drive traction cables or counterweight systems like a hoist, in agriculture and manufacturing, an elevator is any type of conveyor device used to lift materials in a continuous stream into bins or silos. Several types exist, such as the chain and bucket elevator, grain auger screw conveyor using the principle of Archimedes screw, or the chain, languages other than English may have loanwords based on either elevator or lift. Because of wheelchair access laws, elevators are often a requirement in new multistory buildings. The earliest known reference to an elevator is in the works of the Roman architect Vitruvius, some sources from later historical periods mention elevators as cabs on a hemp rope powered by hand or by animals. In 1000, the Book of Secrets by al-Muradi in Islamic Spain described the use of a lifting device. In the 17th century the prototypes of elevators were located in the buildings of England. Louis XV of France had a flying chair built for one of his mistresses at the Chateau de Versailles in 1743. Ancient and medieval elevators used drive systems based on hoists or winders, the invention of a system based on the screw drive was perhaps the most important step in elevator technology since ancient times, leading to the creation of modern passenger elevators. The first screw drive elevator was built by Ivan Kulibin and installed in Winter Palace in 1793, several years later another of Kulibins elevators was installed in Arkhangelskoye near Moscow. The development of elevators was led by the need for movement of raw materials including coal, the technology developed by these industries and the introduction of steel beam construction worked together to provide the passenger and freight elevators in use today. Starting in the mines, by the mid-19th century elevators were operated with steam power and were used for moving goods in bulk in mines and factories. It elevated paying customers to a height in the center of London. Early, crude steam-driven elevators were refined in the decade, – in 1835 an innovative elevator called the Teagle was developed by the company Frost. The elevator was belt-driven and used a counterweight for extra power, the hydraulic crane was invented by Sir William Armstrong in 1846, primarily for use at the Tyneside docks for loading cargo. These quickly supplanted the steam driven elevators, exploiting Pascals law. A water pump supplied a variable level of pressure to a plunger encased inside a vertical cylinder. Counterweights and balances were used to increase the lifting power of the apparatus
10.
Revolving restaurant
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A revolving restaurant or rotating restaurant is usually a tower restaurant eating space designed to rest atop a broad circular revolving platform that operates as a large turntable. The building remains stationary and the diners are carried on the revolving floor, the revolving rate varies between one and three times per hour and enables patrons to enjoy a panoramic view without leaving their seats. The slow speed only requires less than a horsepower, such restaurants are often located on upper stories of hotels, communication towers, and skyscrapers. It is believed that Emperor Nero had a dining room in his palace Domus Aurea on the Palatine Hill with a magnificent view on the Forum Romanum and Colosseum. A barrel-shaped, but stationary, restaurant on Fernsehturm Stuttgart, a TV tower in Stuttgart, Germany, a revolving restaurant on Florianturm, a TV tower in Dortmund, Germany, was brought into service in 1959. The Egyptian architect Naoum Shebib designed the Cairo tower with a restaurant at its top. Floating restaurant Googie architecture List of revolving restaurants Revolving Restaurants - Turntables - Macton Corporation
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