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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Castor oil is used as a lubricant in jet planes.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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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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More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
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Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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There are only 14 blimps in the world.
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Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
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