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Benjamin Franklin proved that there was energy in lightning
By tying a key onto a kite string during a storm, Ben Franklin , proved that static electricity and lightning were the same thing. -
Humphry Davy invents the arc lamp
Humphry Davy invented the arc lamp. The lamp is a piece of carbon that glows when attached to a battery. -
Joseph Henry invents the electric relay
Joseph Henry invented the electrical relay, which is used to send electrical currents through long distances. -
Thomas Edison invents a light buld that lasts 40 hours
In 1879 Thomas Edison invented an incandescent light bulb that could be used for about 40 hours without burning out. -
Electric streetcar is invented by E.W. v. Siemens
In 1881 E.W. v. Siemens invents the electric streetcar. -
Westinghouse Electric Company uses an AC to light the Chicago World Fair
The Westinghouse Electric Company used an alternating current (AC) system to light the Chicago World’s Fair. -
W. Carrier invents Electric Air conditioning
In 1911 Electric air conditioning was invented by W. Carrier. -
A. Goss created the Electric Refrigerater
In 1913 A. Goss created the Electric Refrigerator. -
Hover Dam was completed
Boulder Hoover Dam was completed. It is a 287 Kilovolt power line that stretches 266 miles to Boulder (Hoover) Dam. -
Lakeside Power Plant was the first to burn only pulverized coal
In 1921 Lakeside Power Plant in Wisconsin became the world’s first power plant to burn only pulverized coal.
