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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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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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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Castor oil is used as a lubricant in jet planes.
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The cigarette lighter was invented before the match.
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The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
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A toaster uses almost half as much energy as a full-sized oven.
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