-
-
William Gilbert was an English physicist. He was the first to use scientific methods to study static electricity. It is believed that he gave electricity its name, the name meant amber in Greek.
-
Benjamin Franklin believed that lightning was electricity in action so he used a kite and a key. The same year, he made a lightning rod and put it on top of a house and when the lightning hit the rod it was short circuited to the ground leaving the house untouched.
-
Galvani made a connection with electricity and movement of muscles. He accidently noticed that a spark could make a dead frog's leg move. He experimented even more and concluded that the muscle moved because of electricity
-
The wet-cell battery was made in 1800 by Alessandro Volta. It produced an electrical current. It had zinc and silver discs immersed in a solution of acid. The current flowed though a wore that connected the two discs.
-
Oersted discovered that there is a connection between electricity and magnetism. He found that if an electric current flows though a wire, it created a magnetic field.
-
The eletric motor was made in 1921 by Michael Faraday.
-
The transformer was invented in 1831 by Michael Faraday. A transformer is a device ised to change the voltage of an electric current.
-
The dry cell batteries were made in 1866 by G. Leclanche. It was invented in France. The dry cell battery was conveniet and it was a easy source of electricity.
-
The telephone was made in 1876 by Alexander Bell and Thomas Watson. The telephone was an electromagnetic device that transmitted voice over sea.
-
The electric cooking range was made by Thomas Ahearn. He was a Canadian inventor. The electric cooking range is used daily usually for cooking.
-
THe electric car heater was made in 1890 by Thomas Ahearn. The was a Canadian inventor. It is used to heat up cars on cold days.
-
The electric organ was made by Morse Robb. He was a Canadian inventor. The electric organ is like a piano but with usually with more foot pedals and more keys.
-
The walkie-talkie was made in 1941 by Alfred J. Gross. It was first used in the world war. The devices ran on vacuum tubes and used high voltage dry cell batteries. The first walkie-talkie was very big but later it was made smaller.
