Whale oil was used in automobile transmissions as late as 1973.
56
There are only 14 blimps in the world.
69
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Sony researchers have developed a refrigerator that only opens when you smile.
9
The life boat was patented in 1845!
29
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12