Car airbags kill 1 person for every 22 lives that they save.
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The life boat was patented in 1845!
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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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.
10
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
About 39,000 gallons of water are used to produce the average car!
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