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
Castor oil is used as a lubricant in jet planes.
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It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Sony researchers have developed a refrigerator that only opens when you smile.
9
A toaster uses almost half as much energy as a full-sized oven.
33
More than a billion transistors are manufactured every second.
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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