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Currents
Joseph Henry discovers induced currents -
X-rays
Roentgen created the x-ray -
Theory of relativity
Einstein created the theory of relativity -
xerography
Carlson created xerography -
Solar Battery
Chapin, Fulle, and Pearson created the solar battery -
Sputnik
The U.S.S.R created the first sattelite to go into space -
Clock
The Electric clock was first ivented -
DRAM Memory
The first commercially available memory was created by IBM -
Ethernet
metcalfe created the ethernet -
Computer
Roberts created the first personal computers -
Apple 1st computer
Steve jobs started the first industry of apple
