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Explore the life of Thomas Alva Edison, the 11th February 1847-born American scientist and inventor who overcame childhood struggles to change the world with inventions like the phonograph, kinetoscope, telegraph, and light bulb.
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Background American scientist and inventor 11th February, 1847 the 7th and the last child mother(school teacher) father(grocery shopkeeper) started to talk at age 4 attended school for only 3 months
Background suffered from ear problem built a science laboratory at basement at age 10 train accident at age 15 became a telegraph assistant at age 16
Contributions phonograph kinetoscope telegraph light bulb kinetograph
The structure of a bulb filament inert gas 惰性氣體 support wires wires (for electricity to pass through)