Dr. Lonnie Johnson has developed everything from stealth bombers to deep-space probes, but he discovered his most famous invention – the Super Soaker – on accident. CNN’s Coy Wire sat down with the ...
Edison Light Bulb, 1879, Smithsonian's National Museum of American History Thomas Edison used this carbon-filament bulb in the first public demonstration of his most famous invention—the light bulb, ...
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