These Coffee Cups Are Made of Coffee Grounds...
(Photo: Kaffeeform)You can now drink coffee from c... ...offee cups--literally! After 5 years of research, Julian Lechner hit upon a formula that works. He combined used c... ...offee grounds.The combination forms a liquid that Lechner injects into a mold, then seals with a waterproof...
https://www.neatorama.com/2015/05/30/These-Coffee-Cups-Are-Made-of-Coffee-Grounds/
