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 ball on top of a flagpole is called a 'truck'.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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In the early 1960's, Porsche commercially manufactured farm tractors.
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About 39,000 gallons of water are used to produce the average car!
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