Thomas Edison invented things so we can survive.Thomas Edison has guaranteed things for us to live.
Thomas Edison ....
By Calculating the posibility that it would not burn while it gives light for the flow of electricity to the filament wire and protecting it with a glass the has a gas to protect from oxidation without ever going wrong.
Electricity was less expensive, and safer than gas for lighting purposes. He saw Joseph Swan do it.
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We now have better materials for the filament and for the gas in the bulb, making them shine brighter and last longer.
Thomas Edison made the light bulb in the late 1800's after Michael Faraday's tests to understand electrictity. It changed peoples lives because it took them out of the dark and then gas was dicovered to keep the light 'alive' which led to heating and cooking, which they never had before. I think, hope it helps :)
Edison
While most people give credit to Thomas Edison, Historians list 23 other people BEFORE Edison, The light bulb gave better and safer light than a gas light or oil burning lamp. https://en.wikipedia.org/wiki/Incandescent_light_bulb
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John Tyndall Did not Invent the Gas Mask Garret A. Morgan was the Inventor and also the Inventor of the Traffic light