Sony researchers have developed a refrigerator that only opens when you smile.
9
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 electric chair was invented by a dentist!
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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
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.
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