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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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
Attics were invented in Attica.
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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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In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
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The IRS processes more than 2 billion pieces of paper each year.
28
The first alarm clock could only ring at 4 a.m.
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