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...)
Selected article -
The celestial spheres, or celestial orbs, were the fundamental entities of the cosmological models developed by Plato, Eudoxus, Aristotle, Ptolemy, Copernicus, and others. In these celestial models, the apparent motions of the fixed stars and planets are accounted for by treating them as embedded in rotating spheres made of an aetherial, transparent fifth element (quintessence), like gems set in orbs. Since it was believed that the fixed stars did not change their positions relative to one another, it was argued that they must be on the surface of a single starry sphere.
In modern thought, the orbits of the planets are viewed as the paths of those planets through mostly empty space. Ancient and medieval thinkers, however, considered the celestial orbs to be thick spheres of rarefied matter nested one within the other, each one in complete contact with the sphere above it and the sphere below. When scholars applied Ptolemy's epicycles, they presumed that each planetary sphere was exactly thick enough to accommodate them. By combining this nested sphere model with astronomical observations, scholars calculated what became generally accepted values at the time for the distances to the Sun: about 4 million miles (6.4 million kilometres), to the other planets, and to the edge of the universe: about 73 million miles (117 million kilometres). The nested sphere model's distances to the Sun and planets differ significantly from modern measurements of the distances, and the size of the universe is now known to be inconceivably large and continuously expanding. (Full article...)Selected image
Astronaut Buzz Aldrin, Apollo Lunar Module pilot, walks on the surface of the Moon near the leg of the Lunar Module Eagle during the Apollo 11 extravehicular activity (EVA). Astronaut Neil A. Armstrong, commander, took this photograph with a 70mm lunar surface camera. While astronauts Armstrong and Aldrin descended in the Eagle to explore the Sea of Tranquility region of the Moon, astronaut Michael Collins, command module pilot, remained with the Command and Service Module Columbia in lunar orbit.
Did you know
...that the history of biochemistry spans approximately 400 years, but the word "biochemistry" in the modern sense was first proposed only in 1903, by German chemist Carl Neuberg?
...that the Great Comet of 1577 was viewed by people all over Europe, including famous Danish astronomer Tycho Brahe and the six year old Johannes Kepler?
...that the Society for Social Studies of Science (often abbreviated as 4S) is, as its website claims, "the oldest and largest scholarly association devoted to understanding science and technology"?
Selected Biography -
James Clerk Maxwell FRS FRSE (13 June 1831 – 5 November 1879) was a Scottish physicist with broad interests who was responsible for the classical theory of electromagnetic radiation, which was the first theory to describe electricity, magnetism and light as different manifestations of the same phenomenon. Maxwell's equations for electromagnetism have been called the "second great unification in physics" where the first one had been realised by Isaac Newton.
With the publication of "A Dynamical Theory of the Electromagnetic Field" in 1865, Maxwell demonstrated that electric and magnetic fields travel through space as waves moving at the speed of light. He proposed that light is an undulation in the same medium that is the cause of electric and magnetic phenomena. The unification of light and electrical phenomena led to his prediction of the existence of radio waves. Maxwell is also regarded as a founder of the modern field of electrical engineering. (Full article...)Selected anniversaries
- 1818 - Death of Gaspard Monge, French mathematician (b. 1746)
- 1867 - Birth of Charles Dillon Perrine, American-born astronomer (d. 1951)
- 1869 - Death of Jan Evangelista Purkyně, Czech anatomist (b. 1787)
- 1915 - Birth of Charles Townes, American physicist, Nobel laureate
- 1925 - Birth of Baruch S. Blumberg, American scientist, Nobel laureate
- 1968 - Death of Otto Hahn, German chemist, Nobel laureate (b. 1879)
- 1996 - Kennewick Man, the remains of a prehistoric man, is discovered near Kennewick, Washington
- 2000 - Death of Abraham Pais, Dutch-born American physicist and historian (b. 1918)
- 2002 - Death of Archer John Porter Martin, English chemist, Nobel laureate (b. 1910)
- 2004 - Death of Francis Crick, English molecular biologist, Nobel laureate (b. 1916)
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General images
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Apollonius wrote a comprehensive study of conic sections in the Conics. (from Science in classical antiquity) -
A page from al-Khwarizmi's Algebra (from Science in the medieval Islamic world) -
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Pliny the Elder: an imaginative 19th-century portrait (from Science in the ancient world) -
Portrait of Johannes Kepler, one of the founders and fathers of modern astronomy, the scientific method, natural and modern science (from Scientific Revolution) -
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The French Academy of Sciences was established in 1666. (from Scientific Revolution) -
Scholar Nersi with Anahita in Persia (from Science in the ancient world) -
Page from the Kitāb al-Hayawān (Book of Animals) by Al-Jahiz. Ninth century (from Science in the medieval Islamic world) -
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) -
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) -
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 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) -
Ancient India was an early leader in metallurgy, as evidenced by the wrought iron Pillar of Delhi. (from Science in the ancient world) -
Islamic expansion:under Muhammad, 622–632under Rashidun caliphs, 632–661under Umayyad caliphs, 661–750(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) -
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) -
Diagram from William Gilbert's De Magnete, a pioneering 1600 work of experimental science (from Scientific Revolution) -
Mesopotamian clay tablet-letter from 2400 BC, Louvre (from King of Lagash, found at Girsu) (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) -
Isaac Newton's Principia developed the first set of unified scientific laws. (from Scientific Revolution) -
Surviving fragment of the first World Map of Piri Reis (1513) (from Science in the medieval Islamic world) -
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Schematics of the Antikythera mechanism (from Science in the ancient world) -
George Trebizond's Latin translation of Ptolemy's Almagest (c. 1451) (from Science in classical antiquity) -
The Abbasid Caliphate, 750–1261 (and later in Egypt) at its height, c. 850 (from Science in the medieval Islamic world) -
Omar Khayyam's "Cubic equation and intersection of conic sections" (from Science in the medieval Islamic world) -
The first treatise about optics by Johannes Kepler, Ad Vitellionem paralipomena quibus astronomiae pars optica traditur (1604) (from Scientific Revolution) -
An ivory set of Napier's Bones, an early calculating device invented by John Napier (from Scientific Revolution) -
An Egyptian practice of treating migraine in ancient Egypt (from Science in the ancient world) -
A mosaic depicting Plato's Academy, from the Villa of T. Siminius Stephanus in Pompeii (1st century AD) (from Science in classical antiquity) -
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) -
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Matteo Ricci (left) and Xu Guangqi (right) in Athanasius Kircher, La Chine ... Illustrée, Amsterdam, 1670 (from Scientific Revolution) -
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) -
Ibn Sina teaching the use of drugs. 15th-century Great Canon of Avicenna (from Science in the medieval Islamic world) -
Vesalius's intricately detailed drawings of human dissections in Fabrica helped to overturn the medical theories of Galen. (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 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) -
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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) -
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Title page from The Sceptical Chymist, a foundational text of chemistry, written by Robert Boyle in 1661 (from Scientific Revolution) -
Diagram of the Antikythera mechanism, an analog astronomical calculator (from Science in classical antiquity)
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A 19th-century portrait of Pliny the Elder (from Science in classical antiquity)
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Self trimming lamp in Ahmad ibn Mūsā ibn Shākir's treatise on mechanical devices, c. 850 (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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The physician Hippocrates, known as the "Father of Modern Medicine" (from Science in classical antiquity)
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