2015年9月8日 星期二

A folding paper microscope? It's real


Sometimes, inventors come up with things the world wants. The Rubik's Cube. iPhones. Snuggies. Then there are the things the world needs. The wheel. Penicillin. Anything with caffeine in it.











via CNN.com - Technology http://ift.tt/1K4S3Nr

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