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Steam Engine
Thomas Savery was an English military engineer and inventor who in 1698, patented the first crude steam engine -
Electricity
Ben Franklin tied a key onto a kite during a storm and proved that static electricity and lightning were the same. His correct understanding of the nature of electricity paved the way for the future. -
Electric battery
First electric battery was invented by Alessandro Volta. The “volt” is named in his honor. -
Telegraph
a crude telegraph was invented in Bavaria by Samuel Soemmering. -
Fuel Cell
the first fuel cell was conceived by Sir William Robert Grove, a Welsh judge, inventor and physicist. He mixed hydrogen and oxygen in the presence of an electrolyte, and produced electricity and water. -
Solar energy
Auguste Mouchout created a steam engine that was powered only by solar energy -
Lightbulb
Thomas Edison invented an incandescent light bulb that could glow for over 1500 hours. -
Wind powered turbine
Charles F. Brush designed and erected the world's first wind-powered electric generator in Cleveland, Ohio. -
Photoelectric cell
The first devices to make practical use of the photoelectric
effect, photoelectric cells were of decisive importance in
the electron theory of metals. -
Hydroeletric
First hydroelectric plant built specifically for peaking power was in 1922.