An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The IRS processes more than 2 billion pieces of paper each year.
28
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Mico headphones read your brainwaves and select music based on your state of mind.
7
Jumbo jets use 4,000 gallons of fuel to take off.
19
There are only 14 blimps in the world.
69
The life boat was patented in 1845!
29
Google founders Sergey Brin and Larry Page have expressed their desire to see the search engine become artificial intelligence itself. To achieve that goal, they created the highly-protected “X lab.”
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