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  Thomas Savery was an English military engineer and inventor who in 1698, patented the first crude steam engine, based on Denis Papin's Digester or pressure cooker of 1679.
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  Benjamin Franklin conducted an experiment to prove that lightning is electricity by flying a kite in a storm that appeared capable of becoming a lightning storm.
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  Luigi Aloisio Galvani studied bioelectricity, a field that still today studies the electrical patterns and signals of the nervous system.
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  The conversion of electrical energy into mechanical energy by electromagnetic means was demonstrated by the British scientist Michael Faraday in 1821.
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  Samuel Brown patented the first internal combustion engine to be applied industrially.
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  French physicist Sadi Carnot established the thermodynamic theory of idealized heat engines. This scientifically established the need for compression to increase the difference between the upper and lower working temperatures.
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  While a professor of arts and design at New York University in 1835, Samuel Morse proved that signals could be transmitted by wire.
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  Theodore Maiman invented the ruby laser considered to be the first successful optical or light laser.
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  Alessandro Volta, inventor of the electric battery.Volta’s discovery of the decomposition of water by an electrical current laid the foundation of electrochemistry.
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  The Geothermal Energy Association is formed. The association includes U.S. companies that develop geothermal resources worldwide for electrical power generation and direct-heat uses.