The ball on top of a flagpole is called a 'truck'.
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Jumbo jets use 4,000 gallons of fuel to take off.
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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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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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Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
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