UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
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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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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.
25
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
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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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About 39,000 gallons of water are used to produce the average car!
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