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March 22 – Company of Surgeons granted a royal charter to become the Royal College of Surgeons in London. [1]September – Philippe Pinel publishes Traité médico-philosophique sur l'aliénation mentale ou la manie (Medical and philosophical Treatise on insanity or mania) which marks the beginning of an in-depth change in the approaches and methods of work with "lunatics".
1800 BC: The Middle Kingdom of Egypt develops Egyptian fraction notation. 1800 BC - 1600 BC: A numerical approximation for the square root of two, accurate to 6 decimal places, is recorded on YBC 7289 , a Babylonian clay tablet believed to belong to a student.
1800 – Humphry Davy announces the anaesthetic properties of nitrous oxide. 1803 – 1841 – Morphine was first isolated by Friedrich Sertürner, this is generally believed to be the first isolation of an active ingredient from a plant. 1813–1883 – James Marion Sims vesico-vaganial surgery [36] [94] [95] Father of surgical gynecology. [43 ...
In 1800, Alessandro Volta invented the electric battery (known as the voltaic pile) and thus improved the way electric currents could also be studied. [21] A year later, Thomas Young demonstrated the wave nature of light—which received strong experimental support from the work of Augustin-Jean Fresnel—and the principle of interference. [22]
The Origins of Modern Science: 1300–1800.What Now New York: Macmillan. Butts, Freeman R. 1955 A Cultural History of Western Education: Its Social and Intellectual Foundations. New York: McGraw-Hill. Conant, James Bryant, ed. 1950. The Overthrow of the Phlogiston Theory: The Chemical Revolution of 1775–1789. Cambridge: Harvard University Press.
1800 - William Herschel: Infrared light; 1801 – Thomas Young: Wave theory of light; 1801 - Johann Wilhelm Ritter: Ultraviolet light; 1803 – John Dalton: Atomic theory of matter [citation needed] 1806 – Thomas Young: Kinetic energy; 1814 – Augustin-Jean Fresnel: Wave theory of light, optical interference
Hey Chicago — do you know how long laws governing abortion have been on the books in Illinois? Since Abraham Lincoln was a teenager. But, how did we get from a statute outlawing the sale of ...
1800: Alessandro Volta invents the voltaic pile, an early form of battery in Italy, based on previous works by Luigi Galvani. 1802: Humphry Davy invents the arc lamp (exact date unclear; not practical as a light source until the invention of efficient electric generators).