The original Edison light bulb used a carbon based filament, later a metallic filament (tungsten) was used to increase the life of the bulb. Today the government has mandated that a fluorescent type bulb be used
Edison didn't discover anything. Something has to all ready exist to be discovered, but he did invent the light bulb.
Thomas Edison was taught mostly by his mother.
Yes, Thomas Edison was indeed a member of the malegender.
Thomas Alva Edison
Thomas Edison invented the light bulb.
Depending on which model it is, these can go for 5 to $10.000.
Thomas Edison improved the telephone by seeing that the original transmitter used a magnate. Edison increased the signal by introducing a carbon battery.
Thomas Edison wanted everyone to study and invent something, just like him. Except the first sentence.
Thomas Edison is Thomas Edison because Thomas Edison is Thomas Ediison
there was something needed like a more eficiant lighting system a thomas edison filled the gap with his many and wonderful inventions
The Diary of Thomas A. Edison, Phonograph and Phonograph Graphophone, Tomas A. Edison papers and Thomas Edison on Money and banking are the books that were written by Thomas Edison. Thomas was an American businessman and inventor.
Thomas Edison was a male.
No, Thomas Edison is not single.
what did thomas Edison achieve
The original vinyl record was made of vinyl. The original phonographic recording was made by Thomas A. Edison on a wax cylinder.
when he was out of money he had to do something. why not invent! he said.
Thomas Edison has 6 children