-
300
Huang-ti
was supposed to be the first to use a lodestone as a compass -
Jan 1, 600
Thales
Discovered taht amber rubbed with animal fur attracted light objects (he was not the first to do this but he was the first to record his findings) -
Period: to
William Gilbert
Invented a lightweight tool called a versorium that looked like a compass but didn't use a magnetized needle -
Period: to
Otto Von Guericke
Showed that electricity could be transmitted by using a wet string to conduct electricity several feet -
Period: to
Francis Huksbee
Removed air from a glass globe and made the globe rotate while rubbing it with a wool cloth -
Period: to
Stephen gray
Discovered conductivity -
Period: to
Charles Du Fay
Came to conclusion that everything and everybody contained electricity -
Period: to
Luigi Galvani
Discovered that a dead forg's muscles twithced when it was placed near an electrical mavhine -
Period: to
Alessandro Volta
Best known for inventing the voltaic pile (now known as the battery) the volt was named after him -
Period: to
Pieter Van Musschenbroek
Invented a storage jar called a Leyden jar, that showed that electricty could be stored for future use -
Period: to
Andre Ampere
Contributed to the measurement of electric current and who experimented with electromagnetism -
Period: to
Joseph Henry
contributed to the creation of the telegraph -
Period: to
Karl Gauss
Created a set of units to measure the amount of magnetic induction. the unit is called a gauss -
Period: to
Georg Ohm
Discovered the relationship among voltage, current and resistance in a circut using direct current (Ohm's Law) -
Thomas Alva Edison
Invented the incandescent light bulb -
Nikola Tesla
Invented the induction motor, and set the standard for the frequence of the transmission current -
Period: to
Michael Faraday
his experiments helped invent the motor, generators, transformers, telegraphs, and the telephone. he also invented words we use today, including, electrode anode, cathode, and ion. -
Ben Franklin
As a storm was about to break, Franklin flew a kite with a stiff wire pointing up that was attached to the top of the kite. he attached a metal key to the other end of the string and let it hang close to a Leyden jar. rain poistend the string, which benan to conduct electricity. sparks jumped from the key to the jar until the jar could not handle any more charges