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
The first alarm clock could only ring at 4 a.m.
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Sony researchers have developed a refrigerator that only opens when you smile.
9
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Attics were invented in Attica.
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The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
A small airplane can fly backwards.
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