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 small airplane can fly backwards.
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The average car produces a pound of pollution every 25 miles!
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The first alarm clock could only ring at 4 a.m.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
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Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
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