Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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The electric chair was invented by a dentist!
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Any modern jet is capable of breaking the sound barrier.
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Energy is being wasted if a toaster is left plugged in after use.
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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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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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To have your picture taken by the very first camera you would have had to sit still for 8 hours!
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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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