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 -
Physical cosmology is a branch of cosmology concerned with the study of cosmological models. A cosmological model, or simply cosmology, provides a description of the largest-scale structures and dynamics of the universe and allows study of fundamental questions about its origin, structure, evolution, and ultimate fate. Cosmology as a science originated with the Copernican principle, which implies that celestial bodies obey identical physical laws to those on Earth, and Newtonian mechanics, which first allowed those physical laws to be understood.
Physical cosmology, as it is now understood, began in 1915 with the development of Albert Einstein's general theory of relativity, followed by major observational discoveries in the 1920s: first, Edwin Hubble discovered that the universe contains a huge number of external galaxies beyond the Milky Way; then, work by Vesto Slipher and others showed that the universe is expanding. These advances made it possible to speculate about the origin of the universe, and allowed the establishment of the Big Bang theory, by Georges Lemaître, as the leading cosmological model. A few researchers still advocate a handful of alternative cosmologies; however, most cosmologists agree that the Big Bang theory best explains the observations. (Full article...)
Selected image
During the solar eclipse of May 29, 1919, several teams of scientists attempted to verify Einstein's prediction of the bending of light around the sun using photographic measurements. This negative, taken from Arthur Eddington's report of the expedition to the African island Príncipe, was presented as part of a successful test of general relativity, based on the positions of stars near the eclipsed sun. The original caption reads:
- In Plate 1 is given a half-tone reproduction of one of the negatives taken with the 4-inch lens at Sobral. This shows the position of the stars, and, as far as possible in a reproduction of this kind, the character of the images, as there has been no retouching. A number of photographic prints have been made and applications for these from astronomers, who wish to assure themselves of the quality of the photographs, will be considered as as far as possible acceded to.
Did you know
... that the Merton Thesis—an argument connecting Protestant pietism with the rise of experimental science—dates back to Robert K. Merton's 1938 doctoral dissertation, which launched the historical sociology of science?
...that a number of scientific disciplines, such as computer science and seismology, emerged because of military funding?
...that the principle of conservation of energy was formulated independently by at least 12 individuals between 1830 and 1850?
Selected Biography -
Charles Babbage KH FRS (/ˈbæbɪdʒ/; 26 December 1791 – 18 October 1871) was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer.
Babbage is considered by some to be "father of the computer". He is credited with inventing the first mechanical computer, the Difference Engine, that eventually led to more complex electronic designs, though all the essential ideas of modern computers are to be found in his Analytical Engine, programmed using a principle openly borrowed from the Jacquard loom. Babbage had a broad range of interests in addition to his work on computers covered in his 1832 book Economy of Manufactures and Machinery. He was an important figure in the social scene in London, and is credited with importing the "scientific soirée" from France with his well-attended Saturday evening soirées. His varied work in other fields has led him to be described as "pre-eminent" among the many polymaths of his century. (Full article...)
Selected anniversaries
- 1602 – The Bodleian Library at Oxford University is opened to the public
- 1656 – Birth of Edmond Halley, British astronomer and mathematician (d. 1742)
- 1719 – Death of Michel Rolle, French mathematician (b. 1652)
- 1848 – Birth of Gottlob Frege, German mathematician and logician (d. 1925)
- 1854 – Birth of Johannes Rydberg, Swedish physicist (d. 1919)
- 1868 – Birth of Felix Hausdorff, German mathematician (d. 1942)
- 1885 – Birth of Hans Cloos, German geologist (d. 1951)
- 1895 – While experimenting with electricity, Wilhelm Röntgen discovers the X-ray
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General images
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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) -
Pliny the Elder: an imaginative 19th-century portrait (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) -
Title page from The Sceptical Chymist, a foundational text of chemistry, written by Robert Boyle in 1661 (from Scientific Revolution) -
Schematics of the Antikythera mechanism (from Science in the ancient world) -
The French Academy of Sciences was established in 1666. (from Scientific Revolution) -
George Trebizond's Latin translation of Ptolemy's Almagest (c. 1451) (from Science in classical antiquity) -
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Omar Khayyam's "Cubic equation and intersection of conic sections" (from Science in the medieval Islamic world) -
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Page from the Kitāb al-Hayawān (Book of Animals) by Al-Jahiz. Ninth century (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) -
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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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Ptolemaic model of the spheres for Venus, Mars, Jupiter, and Saturn. Georg von Peuerbach, Theoricae novae planetarum, 1474. (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) -
Ibn Sina teaching the use of drugs. 15th-century Great Canon of Avicenna (from Science in the medieval Islamic world) -
Diagram of the Antikythera mechanism, an analog astronomical calculator (from Science in classical antiquity)
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Ancient India was an early leader in metallurgy, as evidenced by the wrought iron Pillar of Delhi. (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) -
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) -
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 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) -
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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) -
Francis Bacon was a pivotal figure in establishing the scientific method of investigation. Portrait by Frans Pourbus the Younger (1617). (from Scientific Revolution) -
Islamic expansion:under Muhammad, 622–632under Rashidun caliphs, 632–661under Umayyad caliphs, 661–750(from Science in the medieval Islamic world) -
A page from al-Khwarizmi's Algebra (from Science in the medieval Islamic world) -
Matteo Ricci (left) and Xu Guangqi (right) in Athanasius Kircher, La Chine ... Illustrée, Amsterdam, 1670 (from Scientific Revolution) -
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An Egyptian practice of treating migraine in ancient Egypt (from Science in the ancient world) -
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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) -
Vesalius's intricately detailed drawings of human dissections in Fabrica helped to overturn the medical theories of Galen. (from Scientific Revolution) -
The physician Hippocrates, known as the "Father of Modern Medicine" (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) -
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) -
Apollonius wrote a comprehensive study of conic sections in the Conics. (from Science in classical antiquity) -
Modern copy of al-Idrisi's 1154 Tabula Rogeriana, upside-down, north at top (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) -
An ivory set of Napier's Bones, an early calculating device invented by John Napier (from Scientific Revolution) -
Self trimming lamp in Ahmad ibn Mūsā ibn Shākir's treatise on mechanical devices, c. 850 (from Science in the medieval Islamic 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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Scholar Nersi with Anahita in Persia (from Science in the ancient world) -
Diagram from William Gilbert's De Magnete, a pioneering 1600 work of experimental science (from Scientific Revolution) -
A 19th-century portrait of Pliny the Elder (from Science in classical antiquity)
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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)
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