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Teflon: non-stick coating for cookware

The non-stick coating for cookware Teflon was invented on this day in 1938 Teflon, which is the trade name for polytetrafluoroethylene (PTFE), was first made by American chemist Roy Plunkett by accident whilst working for DuPont. Teflon’s inert nature and extreme slipperiness has led to it being used in many applications, including non-stick saucepans.         Polytetrafluoroethylene (PTFE) is a …

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Willard Libby

Willard Frank Libby (December 17, 1908 – September 8, 1980) was an American physical chemist noted for his role in the 1949 development of radiocarbon dating, a process which revolutionized archaeology.  Libby was recognized for developing carbon dating, which revolutionized many academic fields. The method uses carbon-14 (an isotope of carbon with an atomic weight of 14 found in carbon …

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Svante August Arrhenius

Svante August Arrhenius was born on 19 February 1859, Swedish scientist, originally a physicist, but often referred to as a chemist, and one of the founders of the science of physical chemistry. He received the Nobel Prize for Chemistry in 1903 and in 1905 became director of the Nobel Institute where he remained until his death. The Arrhenius equation, Arrhenius …

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French chemist Paul Vieille died in 1934

Paul Marie Eugène Vieille was French chemist and the inventor of nitrocellulose based smokeless gunpowder in 1884. The new smokeless powder was three times as powerful as black powder for the same weight and left virtually no residues of combustion. His invention was applied not only to small arms but also to the full range of artillery ammunition. His invention was widely followed within a …

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