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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UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
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A small airplane can fly backwards.
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The ball on top of a flagpole is called a 'truck'.
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Energy is being wasted if a toaster is left plugged in after use.
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