A 'jiffy' is an actual unit of time for 1/100th of a second!
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The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
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Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
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Diamonds can be shattered with a hammer.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
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The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
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Sound travels about 4 times faster in water than in air.
408
In zero gravity, a candle's flame is round and blue.
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