A steam turbine is a machine that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Charles Parsons in 1884.
invented by Lucien B. Smith
Barbed wire, also known as barb wire, occasionally corrupted as bobbed wire or…
invented by Frédéric Swarts
Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) are fully or…
invented by Carl Gassner
A zinc–carbon battery is a dry cell primary battery that provides direct…
invented by Hanaoka Seishu
General anaesthetics (or anesthetics, see spelling differences) are often…
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Inventions that changed the world
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