To have your picture taken by the very first camera you would have had to sit still for 8 hours!
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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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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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A small airplane can fly backwards.
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The electric chair was invented by a dentist!
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An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
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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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