Sony researchers have developed a refrigerator that only opens when you smile.
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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
The electric chair was invented by a dentist!
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First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
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The life boat was patented in 1845!
29
A small airplane can fly backwards.
75
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).
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UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
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