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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Jumbo jets use 4,000 gallons of fuel to take off.
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Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
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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 are only 14 blimps in the world.
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