About 39,000 gallons of water are used to produce the average car!
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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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Kleenex tissues were originally used as filters in gas masks.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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The ball on top of a flagpole is called a 'truck'.
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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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