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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Mico headphones read your brainwaves and select music based on your state of mind.
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The first alarm clock could only ring at 4 a.m.
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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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A small airplane can fly backwards.
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Kleenex tissues were originally used as filters in gas masks.
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