The ball on top of a flagpole is called a 'truck'.
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Attics were invented in Attica.
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The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
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Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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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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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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