Danger Dust

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Scientists Discovered An Amazing Practical Use For World's Leftover Coffee Grounds (www.sciencealert.com)

submitted 5 days ago by [email protected] to c/[email protected]

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We could be producing concrete that's 30 percent stronger by processing and adding charred coffee grounds to the mix, researchers in Australia discovered.

Their clever recipe could solve multiple problems at the same time. Every year the world produces a staggering 10 billion kilograms (22 billion pounds) of coffee waste globally. Most ends up in landfills.

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[–] kata1yst 7 points 5 days ago

Or you can compost it! The worms in my vermiculture bin subsist on coffee grounds.