Whale oil was used in automobile transmissions as late as 1973.
56
Sony researchers have developed a refrigerator that only opens when you smile.
9
The life boat was patented in 1845!
29
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 toaster uses almost half as much energy as a full-sized oven.
33
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43