An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
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The United States produces enough plastic film annually to cover the entire state of Texas.
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To have your picture taken by the very first camera you would have had to sit still for 8 hours!
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The average car produces a pound of pollution every 25 miles!
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It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
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Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
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