A Stirling engine is a heat engine that is operated by the cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, resulting in a net conversion of heat energy to mechanical work.
invented by Hiram Maxim
The Maxim gun is a recoil-operated machine gun invented in 1884 by Hiram…
invented by Friedrich Serturner
Morphine is a pain medication of the opiate family that is found naturally in a…
invented by Edwin Budding
A lawn mower (also known as a mower, grass cutter or lawnmower) is a machine…
invented by Zenobe Gramme
In electricity generation, a generator is a device that converts motive power…
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Inventions that changed the world
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