Nothing
His invention of the first practical light bulb.
cooper wire
he always asked questions
put together pictures and makes it start moving and makes movies
A motion picture camera records plays and makes movies and poo
it makes our life better and easier with great technology D.T
Well Thomas Edison invented one main thing that changed mankind. He invented the light bulb. The light bulb (obviously) lights up the room if it is dark or makes a light place lighter.
Thomas Edison meant that while having a good idea is important, the real key to success is hard work and effort. He believed that most of what makes someone successful is the result of hard work and determination, rather than just having a brilliant idea.
"Time makes fools of us all." Cleverness does not prevent death. Nor does the fact that a person dies demonstrate that they weren't clever.
Haydyvd
your question makes no sense, to USE electricity? GENERATE electricity? I think to use.
He was the co-inventor of the electric light bulb. In fact, the other inventor ( the Scotsman Joseph Swan) filed for his patent 6 days before Edison. Technically this makes Swan the inventor, but after a long and costly lawsuit they agreed to share the invention, and formed the Ediswan company.