An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Any modern jet is capable of breaking the sound barrier.
34
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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