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The first early steam engine was invented by Thomas Savery in 1698.
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American inventor Ben Franklin made the connection between lightning and electricity by attaching a key to a kite and flying it in an electrical storm
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In 1781, a former coal miner invented a way to put the steam engine to good use with the steam locomotive
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A crude form of the lightbulb was invented in 1800 by Humphry Davy. It was later made practical by Thomas Edison, and revolutionized the lives of millions.
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The battery was invented in 1800 by Alessandro Volta
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An early form of the internal combustion engine was invented in 1859 by Etienne Lenoir. This engine ran off of a mixture of coal gas and air instead of gasoline.
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Wind energy had been harnessed for thousands of years to run mills, but the first time it was used for producing electricity was in 1887 by James Blyth
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Due to the Great depression, the Hoover dam was built to put men to work. The Hoover dam makes use of water flow to create hydroelectric power
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While contriversial, nuclear energy is an effective means of alternative energy, and it works through nuclear fission. This was discovered in 1938 by Meitner, Hahn and Frisch.
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The solar panel was invented in 1941 by Russell Ohl.
