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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A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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Jumbo jets use 4,000 gallons of fuel to take off.
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The life boat was patented in 1845!
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