10 Famous Inventions Discovered Completely by Accident
From the Slinky to penicillin, these inventions discovered by accident began as spills, mix-ups and failed experiments. Here are the real stories.
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Inventions
10 Everyday Things With Surprisingly Weird Origins
Play-Doh cleaned wallpaper and the chainsaw began in the delivery room. Explore everyday things with weird origins you never suspected.
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