Sunday, January 7, 2024

Concrete strengthened with leftover coffee grounds

The coffee grounds are pyrolyzed at 500 degrees and then incorporated into the concrete mix. Awaiting longevity tests before going to market.https://www.sciencealert.com/scientists-discover-an-amazing-practical-use-for-leftover-coffee-grounds
That's a good thing, because (remarkably) we're running out of sand - at least, 3:21 the rough-edged sand that's good for binding concrete together.  

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