Marina Schwarz + 1,576 July 31, 2018 I'm getting increasingly impressed by coffee. On top of all the other uses for coffee grounds, now researchers in Taiwan have managed to replace graphite with coffee grounds in lithium-ion batteries. 1 Quote Share this post Link to post Share on other sites
Tom Kirkman + 8,860 July 31, 2018 That is oddly satisfying... Quote Share this post Link to post Share on other sites