The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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Sony researchers have developed a refrigerator that only opens when you smile.
9
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
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Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
Whale oil was used in automobile transmissions as late as 1973.
56