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| The Unique Origins of 25 Popular Products Happy accidents make good inventions. Spills, explosions, odd chemical reactions, and plain old forgetfulness produced some of today's most practical products. 1 Oct 2009 |
| The Unique Origins of 25 Popular Products Happy accidents make good inventions. Spills, explosions, odd chemical reactions, and plain old forgetfulness produced some of today's most practical products. 1 Oct 2009 |