Sony researchers have developed a refrigerator that only opens when you smile.
9
Whale oil was used in automobile transmissions as late as 1973.
56
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The electric chair was invented by a dentist!
122
Any modern jet is capable of breaking the sound barrier.
34
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12