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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Electrochemistry is the branch of physical chemistry concerned with the relationship between electrical potential difference and identifiable chemical change. These reactions involve electrons moving via an electronically conducting phase (typically an external electrical circuit, but not necessarily, as in electroless plating) between electrodes separated by an ionically conducting and electronically insulating electrolyte (or ionic species in a solution).
When a chemical reaction is driven by an electrical potential difference, as in electrolysis, or if a potential difference results from a chemical reaction as in an electric battery or fuel cell, it is called an electrochemical reaction. Unlike in other chemical reactions, in electrochemical reactions electrons are not transferred directly between atoms, ions, or molecules, but via the aforementioned electronically conducting circuit. This phenomenon is what distinguishes an electrochemical reaction from a conventional chemical reaction. (Full article...)
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This watercolor depicts a native from the Tierra del Fuego, from around the time that Charles Darwin was on his Voyage of the Beagle (1830s). Darwin was taken aback at the crude savagery of the natives, in stark contrast to the civilised behaviour of the three Fuegians they were returning as missionaries (who had been given the names York Minster, Fuegia Basket and Jemmy Button). He described his first meeting with the native Fuegians as being "without exception the most curious and interesting spectacle I ever beheld: I could not have believed how wide was the difference between savage and civilised man: it is greater than between a wild and domesticated animal, inasmuch as in man there is a greater power of improvement." In contrast, he said of Jemmy that "It seems yet wonderful to me, when I think over all his many good qualities, that he should have been of the same race, and doubtless partaken of the same character, with the miserable, degraded savages whom we first met here." Four decades later, in The Descent of Man, he would use his impressions from this period as evidence that man had evolved civilization from a more primitive state.
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 -
Johann George Adam Forster, also known as Georg Forster (German pronunciation: [ˈɡeːɔʁk ˈfɔʁstɐ], 27 November 1754 – 10 January 1794), was a German geographer, naturalist, ethnologist, travel writer, journalist and revolutionary. At an early age, he accompanied his father, Johann Reinhold Forster, on several scientific expeditions, including James Cook's second voyage to the Pacific. His report of that journey, A Voyage Round the World, contributed significantly to the ethnology of the people of Polynesia and remains a respected work. As a result of the report, Forster, who was admitted to the Royal Society at the early age of twenty-two, came to be considered one of the founders of modern scientific travel literature.
After returning to continental Europe, Forster turned toward academia. He taught natural history at the Collegium Carolinum in the Ottoneum, Kassel (1778–84), and later at the Academy of Vilna (Vilnius University) (1784–87). In 1788, he became head librarian at the University of Mainz. Most of his scientific work during this time consisted of essays on botany and ethnology, but he also prefaced and translated many books about travel and exploration, including a German translation of Cook's diaries. (Full article...)
Selected anniversaries
- 1750 - Birth of Caroline Herschel, German-born English astronomer (d. 1848)
- 1789 - Birth of Georg Simon Ohm, German physicist (d. 1854)
- 1846 - Birth of Gösta Mittag-Leffler, Swedish mathematician (d. 1927)
- 1851 - Birth of Martinus Beijerinck, Dutch microbiologist and botanist (d. 1931)
- 1867 - First publication of an article by Joseph Lister outlining the discovery of antiseptic surgery, in The Lancet
- 1905 - Birth of Marlin Perkins, American naturalist (d. 1986)
- 1918 - Birth of Frederick Reines, American physicist, Nobel Prize laureate (d. 1998)
- 1925 - Birth of Luis E. Miramontes, Mexican chemist, co-inventor of the combined oral contraceptive pill (d. 2004)
- 1926 - History of Rocketry: Robert Goddard launches the first liquid-fueled rocket, at Auburn, Massachusetts
- 1992 - Death of Yves Rocard, French physicist (b. 1903)
- 1998 - Death of Derek Harold Richard Barton, British chemist, Nobel laureate (b. 1918)
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