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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Windmills always turn anti-clockwise. Except for the windmills in Ireland!
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Mico headphones read your brainwaves and select music based on your state of mind.
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The average car produces a pound of pollution every 25 miles!
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