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nature of electricity
when ben Franklin discovered that static electricity and lightnening are the same thing -
First battery
Alessandro Volta created the first battery, Consisted of two electrodes, one made of zinc and the other copper. -
Electric Motor
when Thomas Davenport invented the electric motor, it is used in most electrical appliances today -
fuel cell
when Sir William Robert Grove established the first fuel cell, a device that produces electrical energy with hydrogen and oxygen. -
Electric Telegraph
when Samuel Morse invented the electric telegraph, its a machine that can send messages long distances across wire. -
lightbulb
when Thomas Edison invented the incandescent light bulb that could be used for about 40 hours without burning out. In 1880 his bulbs could be used for 1200 hours. -
Solar Power
Henry Becquerel observed the production of electricity directly from the sun while also experimenting with an electrolytic cell made up of two metal electrodes placed in an electricity-conducting solution. -
Geothermal Electric Power Plant
when Piero Ginori Conti invented the first geothermal electric power plant. -
lasers
Albert Einstein established the lasers for absorbtion and emmision of electromagnetic radiation. -
Photoelectric Cells
when photoelectic cells were discovered
