Search results
Results from the WOW.Com Content Network
An image from John Dalton's A New System of Chemical Philosophy, the first modern explanation of atomic theory.. This timeline of chemistry lists important works, discoveries, ideas, inventions, and experiments that significantly changed humanity's understanding of the modern science known as chemistry, defined as the scientific study of the composition of matter and of its interactions.
The 1985 Yellow Book standard developed by Sony and Philips adapted the format to hold any form of binary data. [524] 1982: Direct to home satellite television transmission, with the launch of Sky One service. [525] 1982: The first laptop computer is launched, the 8/16-bit Epson HX-20. [526] 1983: Stereolithography is invented by Chuck Hull. [527]
First textbook to incorporate chemical symbols and formulae as well as organic chemistry, by Edward Turner. [33] Isolation of dibenzyl trisulphide (DTS) from the guinea hen weed and identification of anti-proliferation and/or cytotoxic activity on a wide range of cancer cell lines, by Williams and Levy. [34] [35]
1789: Antoine Lavoisier: law of conservation of mass, basis for chemistry, and the beginning of modern chemistry. 1796: Georges Cuvier: Establishes extinction as a fact. 1796: Edward Jenner: smallpox historical accounting. 1796: Hanaoka Seishū: develops general anaesthesia. 1800: Alessandro Volta: discovers electrochemical series and invents ...
Poplawski patented his invention of the blender in 1922. [166] [167] 1919 Silica gel. Silica gel is a granular, porous form of silica made from sodium silicate. The synthetic route for silica gel was invented and patented in 1919 by chemistry professor Walter A. Patrick at Johns Hopkins University in Baltimore. [168] 1919 Toaster (pop-up)
An American invention that was barely noticed in 1947 went on to usher in the Information Age. In that year John Bardeen , William Shockley , and Walter Brattain of Bell Laboratories drew upon highly sophisticated principles of quantum physics to invent the transistor , a key component in almost all modern electronics , which led to the ...
This list of African-American inventors and scientists documents many of the African-Americans who have invented a multitude of items or made discoveries in the course of their lives. These have ranged from practical everyday devices to applications and scientific discoveries in diverse fields, including physics, biology, math, and medicine.
Renaissance technology was the set of European artifacts and inventions which spread through the Renaissance period, roughly the 14th century through the 16th century. The era is marked by profound technical advancements such as the printing press, linear perspective in drawing, patent law, double shell domes and bastion fortresses.