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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The ball on top of a flagpole is called a 'truck'.
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It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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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 electric chair was invented by a dentist!
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In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
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It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
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