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First Steam Engine
The first steam engine was invented by Thomas Savery and it could generate power and transmit it to a machine.
(https://en.wikipedia.org/wiki/Thomas_Savery) -
Nature Of Electricity
Benjamin Franklin discovered electricity by flying a kite with a key on a string during a lightening storm.
(https://www.electrical4u.com/nature-of-electricity/) -
Bioelectricity
Discovery credited to Luigi Galvani after his discovery that the muscles on a frog's leg twitched when struck by an electrical spark.
(https://en.wikipedia.org/wiki/Luigi_Galvani) -
First Battery
The first electric battery was invented by Alessandro Volta proving that electricity could be generated chemically.
(https://en.wikipedia.org/wiki/Alessandro_Volta) -
Electric Motor
Thomas Davenport developed the first real electric motor although others had created early motion devices.
(http://www.edisontechcenter.org/electricmotors.html) -
Telegraph
While a professor of arts and design in New York University in 1835, Samuel Morse proved that signals could be transmitted by wire.
(https://en.wikipedia.org/wiki/Samuel_Morse) -
Wind Turbine
Scientist and businessman Charles Brush builds the first wind turbine to generate electricity.
(https://en.wikipedia.org/wiki/Wind_turbine) -
Geothermal Energy
Italian scientist Piero Ginori Conti invented the first geothermal electric power plant in which steam was used to generate power.
(http://www.renewableenergyworld.com/geothermal-energy/tech.html) -
Silicon Solar Cell
The first silicon solar cell invented was an electrical device that converts the energy of light directly into electricity.
(https://en.wikipedia.org/wiki/Solar_cell) -
Ruby Laser
Theodore Maiman invented the ruby laser considered to be the first successful optical or light laser.
(https://en.wikipedia.org/wiki/Ruby_laser)