Vendor coffee and a little amateur acience

wandrson November 7, 2017, 3:40pm #1

Hackaday – 6 Nov 17

How Pure is this Cup of Joe? Coffee, Conspiracy, and Citizen Science

Have you ever thought about coffee purity? It’s more something you’d encounter with prescription or elicit drugs, but coffee is actually a rather valuable commodity. If a seller can mak…

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