Mathway.com solves all kinds of math homework problems with step by step explanations.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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In 2012, redditor laporkenstein forged his own wedding ring out of a Gibeon meteorite.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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There's a company in China that allows you to hire someone to stand in line for you for $3-$5 an hour.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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