steam engine

Steam Engines: From Trains to Toffee

James Watt’s (1736-1819) voice echoes every time someone mentions steam engines. Watt, however, was preceded by a bunch of inventors whose names are less often mentioned: Heron (c. 10–70 AD), Giovanni Branca (1571-1645), Denis Papin (1647-1712), Thomas Savery (1650–1715) and Thomas Newcomen (1664-1729) to mention a few. Based on the basic principles of thermodynamics and mechanics, […]

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