Portal:History of science
The History of Science Portal
The history of science covers the development of science from ancient times to the present. It encompasses all three major branches of science: natural, social, and formal. Protoscience, early sciences, and natural philosophies such as alchemy and astrology during the Bronze Age, Iron Age, classical antiquity, and the Middle Ages declined during the early modern period after the establishment of formal disciplines of science in the Age of Enlightenment.
Science's earliest roots can be traced to Ancient Egypt and Mesopotamia around 3000 to 1200 BCE. These civilizations' contributions to mathematics, astronomy, and medicine influenced later Greek natural philosophy of classical antiquity, wherein formal attempts were made to provide explanations of events in the physical world based on natural causes. After the fall of the Western Roman Empire, knowledge of Greek conceptions of the world deteriorated in Latin-speaking Western Europe during the early centuries (400 to 1000 CE) of the Middle Ages, but continued to thrive in the Greek-speaking Byzantine Empire. Aided by translations of Greek texts, the Hellenistic worldview was preserved and absorbed into the Arabic-speaking Muslim world during the Islamic Golden Age. The recovery and assimilation of Greek works and Islamic inquiries into Western Europe from the 10th to 13th century revived the learning of natural philosophy in the West. Traditions of early science were also developed in ancient India and separately in ancient China, the Chinese model having influenced Vietnam, Korea and Japan before Western exploration. Among the Pre-Columbian peoples of Mesoamerica, the Zapotec civilization established their first known traditions of astronomy and mathematics for producing calendars, followed by other civilizations such as the Maya.
Natural philosophy was transformed during the Scientific Revolution in 16th- to 17th-century Europe, as new ideas and discoveries departed from previous Greek conceptions and traditions. The New Science that emerged was more mechanistic in its worldview, more integrated with mathematics, and more reliable and open as its knowledge was based on a newly defined scientific method. More "revolutions" in subsequent centuries soon followed. The chemical revolution of the 18th century, for instance, introduced new quantitative methods and measurements for chemistry. In the 19th century, new perspectives regarding the conservation of energy, age of Earth, and evolution came into focus. And in the 20th century, new discoveries in genetics and physics laid the foundations for new sub disciplines such as molecular biology and particle physics. Moreover, industrial and military concerns as well as the increasing complexity of new research endeavors ushered in the era of "big science," particularly after World War II. (Full article...)
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There were great innovations in metallurgy. In addition to Zhou-era China's (c. 1046 – 256 BCE) previous inventions of the blast furnace and cupola furnace to make pig iron and cast iron, respectively, the Han period saw the development of steel and wrought iron by use of the finery forge and puddling process. With the drilling of deep boreholes into the earth, the Chinese used not only derricks to lift brine up to the surface to be boiled into salt, but also set up bamboo-crafted pipeline transport systems which brought natural gas as fuel to the furnaces. Smelting techniques were enhanced with inventions such as the waterwheel-powered bellows; the resulting widespread distribution of iron tools facilitated the growth of agriculture. For tilling the soil and planting straight rows of crops, the improved heavy-moldboard plough with three iron plowshares and sturdy multiple-tube iron seed drill were invented in the Han, which greatly enhanced production yields and thus sustained population growth. The method of supplying irrigation ditches with water was improved with the invention of the mechanical chain pump powered by the rotation of a waterwheel or draft animals, which could transport irrigation water up elevated terrains. The waterwheel was also used for operating trip hammers in pounding grain and in rotating the metal rings of the mechanical-driven astronomical armillary sphere representing the celestial sphere around the Earth. (Full article...)
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Science, and particularly geometry and astronomy, was linked directly to the divine for most medieval scholars. The compass in this 13th century manuscript is a symbol of God's act of creation. God has created the universe after geometric and harmonic principles; to seek these principles was therefore to seek and worship God.
Did you know
...that in the history of paleontology, very few naturalists before the 17th century recognized fossils as the remains of living organisms?
...that on January 17, 2007, the Doomsday Clock of the Bulletin of the Atomic Scientists moved to "5 minutes from midnight" in part because of global climate change?
...that in 1835, Caroline Herschel and Mary Fairfax Somerville became the first women scientists to be elected to the Royal Astronomical Society?
Selected Biography -
Emilio Gino Segrè (Italian: [seˈgrɛ]; 1 February 1905 – 22 April 1989) was an Italian and naturalized-American physicist and Nobel laureate, who discovered the elements technetium and astatine, and the antiproton, a subatomic antiparticle, for which he was awarded the Nobel Prize in Physics in 1959 along with Owen Chamberlain.
Born in Tivoli, near Rome, Segrè studied engineering at the University of Rome La Sapienza before taking up physics in 1927. Segrè was appointed assistant professor of physics at the University of Rome in 1932 and worked there until 1936, becoming one of the Via Panisperna boys. From 1936 to 1938 he was director of the Physics Laboratory at the University of Palermo. After a visit to Ernest O. Lawrence's Berkeley Radiation Laboratory, he was sent a molybdenum strip from the laboratory's cyclotron accelerator in 1937, which was emitting anomalous forms of radioactivity. Using careful chemical and theoretical analysis, Segrè was able to prove that some of the radiation was being produced by a previously unknown element, named technetium, the first artificially synthesized chemical element that does not occur in nature. (Full article...)
Selected anniversaries
- 1459 – Birth of Martin Behaim, German navigator and geographer (d. 1507)
- 1803 – Birth of Heinrich Wilhelm Dove, German physicist (d. 1879)
- 1831 – Birth of Richard Dedekind, German mathematician (d. 1916)
- 1889 - Thomas Edison shows his first motion picture
- 1903 – Birth of Ernest Walton, Irish physicist, Nobel Prize laureate (d. 1995)
- 1908 – Birth of Sergei Lvovich Sobolev, Russian mathematician (d. 1989)
- 1921 – Birth of Yevgeniy Landis, Russian mathematician (d. 1997)
- 1931 – Birth of Nikolai Stepanovich Chernykh, Russian astronomer (d. 2004)
- 1931 – Birth of Riccardo Giacconi, Italian-born physicist, Nobel Prize laureate
- 1951 – Death of Otto Fritz Meyerhof, German-born physician and biochemist, recipient of the Nobel Prize in Physiology or Medicine (b. 1884)
- 1968 – Death of Phyllis Nicolson, British mathematician (b. 1917)
- 1986 – Death of Alexander Kronrod, Russian mathematician (b. 1921)
- 1995 - 51 Pegasi is discovered to be the first major star apart from the Sun to have a planet (and extrasolar planet) orbiting around it
- 2007 - Jason Lewis completes the first human-powered circumnavigation of the globe
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General images
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Pliny the Elder: an imaginative 19th-century portrait (from Science in the ancient world) -
Schematics of the Antikythera mechanism (from Science in the ancient world) -
The Royal Society had its origins in Gresham College in the City of London, and was the first scientific society in the world. (from Scientific Revolution) -
The four classical elements (fire, air, water, earth) of Empedocles illustrated with a burning log. The log releases all four elements as it is destroyed. (from Science in classical antiquity) -
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Air pump built by Robert Boyle. Many new instruments were devised in this period, which greatly aided in the expansion of scientific knowledge. (from Scientific Revolution) -
The physician Hippocrates, known as the "Father of Modern Medicine" (from Science in classical antiquity) -
Vesalius's intricately detailed drawings of human dissections in Fabrica helped to overturn the medical theories of Galen. (from Scientific Revolution) -
George Trebizond's Latin translation of Ptolemy's Almagest (c. 1451) (from Science in classical antiquity) -
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Portrait of Johannes Kepler, one of the founders and fathers of modern astronomy, the scientific method, natural and modern science (from Scientific Revolution) -
Islamic expansion:under Muhammad, 622–632under Rashidun caliphs, 632–661under Umayyad caliphs, 661–750(from Science in the medieval Islamic world) -
An ivory set of Napier's Bones, an early calculating device invented by John Napier (from Scientific Revolution) -
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Mesopotamian clay tablet-letter from 2400 BC, Louvre (from King of Lagash, found at Girsu) (from Science in the ancient world) -
Scholar Nersi with Anahita in Persia (from Science in the ancient world) -
Francis Bacon was a pivotal figure in establishing the scientific method of investigation. Portrait by Frans Pourbus the Younger (1617). (from Scientific Revolution) -
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Matteo Ricci (left) and Xu Guangqi (right) in Athanasius Kircher, La Chine ... Illustrée, Amsterdam, 1670 (from Scientific Revolution) -
Title page from The Sceptical Chymist, a foundational text of chemistry, written by Robert Boyle in 1661 (from Scientific Revolution) -
Modern copy of al-Idrisi's 1154 Tabula Rogeriana, upside-down, north at top (from Science in the medieval Islamic world) -
The French Academy of Sciences was established in 1666. (from Scientific Revolution) -
The Tusi couple, a mathematical device invented by the Persian polymath Nasir al-Din Tusi to model the not perfectly circular motions of the planets (from Science in the medieval Islamic world) -
Omar Khayyam's "Cubic equation and intersection of conic sections" (from Science in the medieval Islamic world) -
A page from al-Khwarizmi's Algebra (from Science in the medieval Islamic world) -
Detail showing columns of glyphs from a portion of the 2nd century AD La Mojarra Stela 1 (found near La Mojarra, Veracruz, Mexico); the left column gives a Long Count calendar date of 8.5.16.9.7, or 156 AD. The other columns visible are glyphs from the Epi-Olmec script. (from Science in the ancient world) -
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A mosaic depicting Plato's Academy, from the Villa of T. Siminius Stephanus in Pompeii (1st century AD) (from Science in classical antiquity) -
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Image of veins from William Harvey's Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus. Harvey demonstrated that blood circulated around the body, rather than being created in the liver. (from Scientific Revolution) -
Page from the Kitāb al-Hayawān (Book of Animals) by Al-Jahiz. Ninth century (from Science in the medieval Islamic world) -
Apollonius wrote a comprehensive study of conic sections in the Conics. (from Science in classical antiquity) -
Surviving fragment of the first World Map of Piri Reis (1513) (from Science in the medieval Islamic world) -
Isaac Newton's Principia developed the first set of unified scientific laws. (from Scientific Revolution) -
The first treatise about optics by Johannes Kepler, Ad Vitellionem paralipomena quibus astronomiae pars optica traditur (1604) (from Scientific Revolution) -
Diagram from William Gilbert's De Magnete, a pioneering 1600 work of experimental science (from Scientific Revolution) -
An Egyptian practice of treating migraine in ancient Egypt (from Science in the ancient world) -
A 19th-century portrait of Pliny the Elder (from Science in classical antiquity)
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Ibn Sina teaching the use of drugs. 15th-century Great Canon of Avicenna (from Science in the medieval Islamic world) -
An early Western Han (202 BC – AD 9) silk map found in tomb 3 of Mawangdui, depicting the Kingdom of Changsha and Kingdom of Nanyue in southern China (note: the south direction is oriented at the top) (from Science in the ancient world) -
The Abbasid Caliphate, 750–1261 (and later in Egypt) at its height, c. 850 (from Science in the medieval Islamic world) -
The physical exercise chart; a painting on silk depicting calisthenics; unearthed in 1973 in Hunan, China, from the 2nd-century BC Western Han burial site of Mawangdui, Tomb Number 3 (from Science in the ancient world) -
Ancient India was an early leader in metallurgy, as evidenced by the wrought iron Pillar of Delhi. (from Science in the ancient world) -
Ibn al-Haytham (Alhazen), (965–1039 Iraq). A polymath, sometimes considered the father of modern scientific methodology due to his emphasis on experimental data and on the reproducibility of its results. (from Science in the medieval Islamic world) -
Self trimming lamp in Ahmad ibn Mūsā ibn Shākir's treatise on mechanical devices, c. 850 (from Science in the medieval Islamic world) -
Quince, cypress, and sumac trees, in Zakariya al-Qazwini's 13th century Wonders of Creation (from Science in the medieval Islamic world) -
Ptolemaic model of the spheres for Venus, Mars, Jupiter, and Saturn. Georg von Peuerbach, Theoricae novae planetarum, 1474. (from Scientific Revolution) -
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Diagram of the Antikythera mechanism, an analog astronomical calculator (from Science in classical antiquity)
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