Sony researchers have developed a refrigerator that only opens when you smile.
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There's an "anti-smartphone" called John's Phone which can only make and receive calls.
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The first hard drive available for the Apple II had a capacity of only 5 megabytes.
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There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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Jumbo jets use 4,000 gallons of fuel to take off.
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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).
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