-
Benjamin Franklin's Discovery
Benjamin Franklin attached a key to a kite and flew it in a lightning storm. The electricity connected to the key, and passed into a jar, where Benjamin successfully trapped lightning. -
The Electric Motor
Thomas Davenport created the first working electric motor. Earlier models had the same idea, but none of them could power a trolley. -
The Electromechanical Relay
The electromechanical relay was invented by Joseph Henry in 1835. It was later used by Samuel Morse in the electric telegraph. -
Electronic Telegraph
The electronic telegraph used Morse code to send signals along wires. The first working telegraph was invented by Samuel Morse, who also invented Morse code. -
The Light Bulb
Thomas Edison invented the first incandescent light bulb. Over time, his light bulb was able to burn for longer amounts of time. -
The Wind Turbine
In 1888, Charles Brush finished building a wind turbine outside of his house. His was the first home to have continuous electricity. -
The Airplane
In 1903, the Wright brothers were able to sustain and control airplane flight. Their invention changed the way we travel. -
Solar Energy
In 1953, a group of scientists at Bell Labs discovered silicon solar cells. These cells can produce energy using the sun. -
Geothermal Energy
In 1960, California began to use The Geysers as a source of geothermal energy. -
The Ruby Laser
The Ruby Laser was invented by Theodore Maiman. It was the first working laser, and paved the way for other lasers to be invented. It is still used today as a light source for medical and cosmetic procedures.
