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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A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
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Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
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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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The first alarm clock could only ring at 4 a.m.
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Google founders Sergey Brin and Larry Page have expressed their desire to see the search engine become artificial intelligence itself. To achieve that goal, they created the highly-protected “X lab.”
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