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Popsci.com gives out invention awards every year. I stumbled across their selections from May and found a great product made from a coal by-product, fly ash. Once part of the problem, retired civil engineer Henry Liu turns fly ash into an effective solution, and he’s planning on releasing it this year!
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I think one of the biggest problems that inventors of “green” or environmentally more responsible products face is getting builders to use their products. I might be wrong, but it seems that this is often the case. Usually such products are not as easily obtained and often cost more than what is nationally available for […]

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