An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The IRS processes more than 2 billion pieces of paper each year.
28
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
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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