Scientists in the UK are creating a smartphone app that will enable users to test for STDs.
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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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Energy is being wasted if a toaster is left plugged in after use.
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A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
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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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There's an "anti-smartphone" called John's Phone which can only make and receive calls.
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Originally, BMW was an airplane engine manufacturer.
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Sony researchers have developed a refrigerator that only opens when you smile.
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