Appreciation: Coffee grounds and Reishi mushroom spores can be 3D printed into a compostable alternative to plasti

wcutler · Mar 9, 2025

Only 30% of a coffee bean is soluble in water, and many brewing methods aim to extract significantly less than that. So of the 1.6 billion pounds of coffee Americans consume in a year, more than 1.1 billion pounds of grounds are knocked from filters into compost bins and garbage cans.
... Coffee is nutrient-rich and sterilized during brewing, so it’s ideal for growing fungus, which, before it sprouts into mushrooms, forms a “mycelial skin.” This skin, a sort of white root system, can bind loose substances together and create a tough, water-resistant, lightweight material.
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https://www.washington.edu/news/2025/02/18/plastic-alternative-mushrooms-coffee-3d-printing/

Frog · Mar 9, 2025

Wow!

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Appreciation: Coffee grounds and Reishi mushroom spores can be 3D printed into a compostable alternative to plasti

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