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May 8, 1450
Printing press
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Telephone
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The light bulb
Thomas Alva Edison invented the first electric light bulb in America 1879. It took Edison one thousand experiments to find the right filament metal that glows when heated but doesn't burn out. -
Car
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Television
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TV Invented
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Penicillin
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Computer
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The silicon chip
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Internet
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Tools
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The Wheel
The wheel was first used by potters in modern Iraq 3000b.c. It was also used by transporting royalty in chariots. The earlyest wooden wheel was made from trees. Before people discovered the wheel, they used tree trunks as rollers.