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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To have your picture taken by the very first camera you would have had to sit still for 8 hours!
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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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Mico headphones read your brainwaves and select music based on your state of mind.
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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
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