1.
Thermometer
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A thermometer is a device that measures temperature or a temperature gradient. A thermometer has two important elements, a sensor in which some physical change occurs with temperature. Thermometers are widely used in industry to control and regulate processes, in the study of weather, in medicine, there are various principles by which different thermometers operate. They include the expansion of solids or liquids with temperature. Radiation-type thermometers measure the energy emitted by an object, allowing measurement of temperature without contact. Most metals are good conductors of heat and they are solids at room temperature, Mercury is the only one in liquid state at room temperature, and has high coefficient of expansion. Hence, the slightest change in temperature is notable when its used in a thermometer and this is the reason behind mercury and alcohol being used in thermometer. Some of the principles of the thermometer were known to Greek philosophers of two years ago. The modern thermometer gradually evolved from the thermoscope with the addition of a scale in the early 17th century, while an individual thermometer is able to measure degrees of hotness, the readings on two thermometers cannot be compared unless they conform to an agreed scale. Today there is a thermodynamic temperature scale. Internationally agreed temperature scales are designed to approximate this closely, based on fixed points, the most recent official temperature scale is the International Temperature Scale of 1990. It extends from 0.65 K to approximately 1,358 K, various authors have credited the invention of the thermometer to Hero of Alexandria. The thermometer was not an invention, however, but a development. The expansion and contraction of the air caused the position of the interface to move along the tube. Such a mechanism was used to show the hotness and coldness of the air with a tube in which the water level is controlled by the expansion and contraction of the gas. These devices were developed by several European scientists in the 16th and 17th centuries, as a result, devices were shown to produce this effect reliably, and the term thermoscope was adopted because it reflected the changes in sensible heat. The difference between a thermoscope and a thermometer is that the latter has a scale, though Galileo is often said to be the inventor of the thermometer, what he produced were thermoscopes. The first clear diagram of a thermoscope was published in 1617 by Giuseppe Biancani and this was a vertical tube, closed by a bulb of air at the top, with the lower end opening into a vessel of water
2.
Galileo Galilei
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Galileo Galilei was an Italian polymath, astronomer, physicist, engineer, philosopher, and mathematician. He played a role in the scientific revolution of the seventeenth century. Galileo also worked in applied science and technology, inventing an improved military compass, Galileos championing of heliocentrism and Copernicanism was controversial during his lifetime, when most subscribed to either geocentrism or the Tychonic system. He met with opposition from astronomers, who doubted heliocentrism because of the absence of a stellar parallax. He was tried by the Inquisition, found vehemently suspect of heresy and he spent the rest of his life under house arrest. He has been called the father of observational astronomy, the father of modern physics, the father of scientific method, and the father of science. Galileo was born in Pisa, Italy, on 15 February 1564, the first of six children of Vincenzo Galilei, a famous lutenist, composer, and music theorist, and Giulia, three of Galileos five siblings survived infancy. The youngest, Michelangelo, also became a noted lutenist and composer although he contributed to financial burdens during Galileos young adulthood, Michelangelo was unable to contribute his fair share of their fathers promised dowries to their brothers-in-law, who would later attempt to seek legal remedies for payments due. Michelangelo would also occasionally have to borrow funds from Galileo to support his musical endeavours and these financial burdens may have contributed to Galileos early fire to develop inventions that would bring him additional income. When Galileo Galilei was eight, his family moved to Florence and he then was educated in the Vallombrosa Abbey, about 30 km southeast of Florence. Galileo Bonaiuti was buried in the church, the Basilica of Santa Croce in Florence. It was common for mid-sixteenth century Tuscan families to name the eldest son after the parents surname, hence, Galileo Galilei was not necessarily named after his ancestor Galileo Bonaiuti. The Italian male given name Galileo derives from the Latin Galilaeus, meaning of Galilee, the biblical roots of Galileos name and surname were to become the subject of a famous pun. In 1614, during the Galileo affair, one of Galileos opponents, in it he made a point of quoting Acts 1,11, Ye men of Galilee, why stand ye gazing up into heaven. Despite being a genuinely pious Roman Catholic, Galileo fathered three children out of wedlock with Marina Gamba and they had two daughters, Virginia and Livia, and a son, Vincenzo. Their only worthy alternative was the religious life, both girls were accepted by the convent of San Matteo in Arcetri and remained there for the rest of their lives. Virginia took the name Maria Celeste upon entering the convent and she died on 2 April 1634, and is buried with Galileo at the Basilica of Santa Croce, Florence. Livia took the name Sister Arcangela and was ill for most of her life, Vincenzo was later legitimised as the legal heir of Galileo and married Sestilia Bocchineri
3.
Classical Greece
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Classical Greece was a period of around 200 years in Greek culture. This Classical period saw the annexation of much of modern-day Greece by the Persian Empire, Classical Greece had a powerful influence on the Roman Empire and on the foundations of western civilization. Much of modern Western politics, artistic thought, scientific thought, theatre, literature, in the context of the art, architecture, and culture of Ancient Greece, the Classical period, sometimes called the Hellenic period, corresponds to most of the 5th and 4th centuries BC. The Classical period in this sense follows the Archaic period and is in turn succeeded by the Hellenistic period and this century is essentially studied from the Athenian outlook because Athens has left us more narratives, plays, and other written works than the other ancient Greek states. From the perspective of Athenian culture in Classical Greece, the period referred to as the 5th century BC extends slightly into the 4th century BC. In this context, one might consider that the first significant event of this occurs in 508 BC, with the fall of the last Athenian tyrant. However, a view of the whole Greek world might place its beginning at the Ionian Revolt of 500 BC. The Persians were defeated in 490 BC, the Delian League then formed, under Athenian hegemony and as Athens instrument. Athens excesses caused several revolts among the cities, all of which were put down by force. After both forces were spent, a brief peace came about, then the war resumed to Spartas advantage, Athens was definitively defeated in 404 BC, and internal Athenian agitations mark the end of the 5th century BC in Greece. Since its beginning, Sparta had been ruled by a diarchy and this meant that Sparta had two kings ruling concurrently throughout its entire history. The two kingships were both hereditary, vested in the Agiad dynasty and the Eurypontid dynasty, according to legend, the respective hereditary lines of these two dynasties sprang from Eurysthenes and Procles, twin descendants of Hercules. They were said to have conquered Sparta two generations after the Trojan War, in 510 BC, Spartan troops helped the Athenians overthrow their king, the tyrant Hippias, son of Peisistratos. Cleomenes I, king of Sparta, put in place a pro-Spartan oligarchy headed by Isagoras, but his rival Cleisthenes, with the support of the middle class and aided by democrats, took over. Cleomenes intervened in 508 and 506 BC, but could not stop Cleisthenes, through his reforms, the people endowed their city with isonomic institutions — i. e. with equal rights for all —and established ostracism. The isonomic and isegoric democracy was first organized into about 130 demes, the 10,000 citizens exercised their power as members of the assembly, headed by a council of 500 citizens chosen at random. The territory of the city was divided into thirty trittyes as follows, ten trittyes in the coastal region ten trittyes in the ἄστυ. A tribe consisted of three trittyes, selected at random, one each of the three groups
4.
Empedocles
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Empedocles was a Greek pre-Socratic philosopher and a citizen of Acragas, a Greek city in Sicily. Empedocles philosophy is best known for originating the theory of the four classical elements. He also proposed forces he called Love and Strife which would mix as well as separate the elements and these physical speculations were part of a history of the universe which also dealt with the origin and development of life. Influenced by the Pythagoreans, Empedocles was a vegetarian who supported the doctrine of reincarnation and he is generally considered the last Greek philosopher to have recorded his ideas in verse. Some of his survives, more than is the case for any other pre-Socratic philosopher. Empedocles death was mythologized by ancient writers, and has been the subject of a number of literary treatments, Empedocles was born, c.490 BC, at Acragas in Sicily to a distinguished family. Very little is known about his life and his father Meto seems to have been instrumental in overthrowing the tyrant of Agrigentum, presumably Thrasydaeus in 470 BC. Empedocles continued this tradition by helping to overthrow the succeeding oligarchic government, Empedocles was acquainted or connected by friendship with the physicians Pausanias and Acron, with various Pythagoreans, and even, it is said, with Parmenides and Anaxagoras. The only pupil of Empedocles who is mentioned is the sophist, according to Aristotle, he died at the age of sixty, even though other writers have him living up to the age of one hundred and nine. The contemporary Life of Empedocles by Xanthus has been lost, Empedocles is considered the last Greek philosopher to write in verse and the surviving fragments of his teaching are from two poems, Purifications and On Nature. Lucretius speaks of him with enthusiasm, and evidently viewed him as his model, the two poems together comprised 5000 lines. About 550 lines of his survive, although because ancient writers rarely mentioned which poem they were quoting. Some scholars now believe there was only one poem. We possess only about 100 lines of his Purifications and it seems to have given a mythical account of the world which may, nevertheless, have been part of Empedocles philosophical system. Humans, animals, and even plants are such spirits, the moral conduct recommended in the poem may allow us to become like gods again. There are about 450 lines of his poem On Nature extant, the poem originally consisted of 2000 lines of hexameter verse, and was addressed to Pausanias. It was this poem which outlined his philosophical system, although acquainted with the theories of the Eleatics and the Pythagoreans, Empedocles did not belong to any one definite school. An eclectic in his thinking, he combined much that had been suggested by Parmenides, Pythagoras and he was a firm believer in Orphic mysteries, as well as a scientific thinker and a precursor of physical science
5.
Robert Fludd
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Robert Fludd, also known as Robertus de Fluctibus, was a prominent English Paracelsian physician with both scientific and occult interests. He is remembered as an astrologer, mathematician, cosmologist, Qabalist, Fludd is best known for his compilations in occult philosophy. He had an exchange of views with Johannes Kepler concerning the scientific and hermetic approaches to knowledge. He was born at Milgate House, Bearsted, Kent, not too long before 17 January 1573/4 and he was the son of Sir Thomas Fludd, a high-ranking governmental official, and Member of Parliament. His mother was Elizabeth Andrews Fludd and he entered St John’s College, Oxford as a commoner in 1591, graduating with a B. A. in 1597 and a M. A. in 1598. Fludd may have encountered Gwinne, or his writing, during his time at Oxford, providing an additional influence for his later medical philosophy, between 1598 and 1604, Fludd studied medicine, chemistry and hermeticism on the European mainland following his graduation. His itinerary is not known in detail, on his own account he spent a winter in the Pyrenees studying theurgy with the Jesuits. Furthermore, he indicated that he traveled throughout Spain, Italy, upon returning to England in 1604, Fludd matriculated to Christ Church, Oxford. He intended to take a degree in medicine from Christ Church College, the main requirements to obtain this, at the time, included demonstrating that he had read and understood the required medical texts—primarily those by Galen and Hippocrates. Fludd defended three theses following these texts, and on 14 May 1605, Fludd made his supplication and he graduated with his M. B. and M. D. on 16 May 1605. After graduating from Christ Church, Fludd moved to London, settling in Fenchurch Street, after at least six failures, he was admitted in September 1609. He became a prosperous London doctor, serving as Censor of the College four times and he became such an established figure within the College that he was included in seventeenth century critiques of the College, including those by Nicholas Culpepper and Peter Coles. Subsequently both his career and his standing in the College took a very much for the better. He was on terms with Sir William Paddy. Fludd was one of the first to support in print the theory of the circulation of the blood of the Colleges William Harvey, to what extent Fludd may have actually influenced Harvey is still debated, in the context that Harveys discovery is hard to date precisely. The term circulation was certainly ambiguous at that time, while he followed Paracelsus in his medical views rather than the ancient authorities, he was also a believer that real wisdom was to be found in the writings of natural magicians. His view of these mystical authorities was inclined towards the great mathematicians, and he believed, like Pythagoras and his followers, certainty in religion could only be discovered through serious study of numbers and ratios. This later brought Fludd into conflict with Johannes Kepler, isaac Newton, at this time, also held similar beliefs, focused on the dimensions of Solomons Temple
