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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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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There's an "anti-smartphone" called John's Phone which can only make and receive calls.
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A toaster uses almost half as much energy as a full-sized oven.
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In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
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Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
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About 39,000 gallons of water are used to produce the average car!
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