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Science has progressed amazingly in recent years, but a handful of spectacular inventions have remained lost to knowledge. Whether it’s the Greek Fire, Roman Nanotechnology or a wonder-material desired by NASA, we’ve lost some great things along the way – these are just some of them.

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Greek Fire

Image via Wikipedia

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Click link below for article:

http://www.zmescience.com/research/inventions/amazing-inventions-lost-14022017/

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