Comment on YSK: You can make supercapacitors out of cement, water and carbon black
who@feddit.org 2 weeks agoI hope you do, and show it off when you’re done!
Comment on YSK: You can make supercapacitors out of cement, water and carbon black
who@feddit.org 2 weeks agoI hope you do, and show it off when you’re done!