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300
300 BCE Huang-ti
Huang-ti was the first to use a lodestone as a compass. -
Jan 1, 600
600 BCE Thales
Greek mathematician named Thales discovered static electricity and magnetism. -
Jan 1, 1550
Girolamo Cardan
Amber attracts small objects because it contained a fatty fluid. -
Late 17th Century William Gilbert
William Gilbert invented a versorium. -
Early 1700 Francis Hauksbee
Francis Hauksbee removed air from a glass globe and made it rotate while rubbing it with a wool cloth. It gave off a bright light. -
Early 1700 Stephen Gray
Stephen Gray discovered conductivity, -
Early 1700 Charles Du Fay
Charles Du Fay determined that everything and everybody contained electricity. -
1660 Otto Von Guericke
Otto Von Guericke built the first generating machine. -
Benjamin Franklin
Proved that lightning was electrical. -
Period: to
Andre Ampere
Important experiments on electric currents. -
Period: to
Gerog Simon Ohm
Ohm law:
1 ohm of resistance makes a potentential difference of 1 volt produce a current of 1 ampere. -
Luigi Galvani
Worked with Alessandro Volta. Dead frog leg on an iron plate and touched the plate to an iron hook. Leg twitched each time they touched. -
Thomas Edison
Invented the lightbulb. -
Alessandro Volta
Invented the battery. -
Nikola Tesla
Invented the induction motor. -
Pieter Van Musschenbroek
Invented a storage jar.