Fascinating accidental inventions(csmonitor.com)
csmonitor.com
Fascinating accidental inventions
http://www.csmonitor.com/Innovation/2012/1005/The-20-most-fascinating-accidental-inventions/Potato-chips
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http://www.csmonitor.com/Innovation/2012/1005/The-20-most-fascinating-accidental-inventions/Potato-chips
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