Whale oil was used in automobile transmissions as late as 1973.
56
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
A small airplane can fly backwards.
75
Sony researchers have developed a refrigerator that only opens when you smile.
9
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The life boat was patented in 1845!
29