Comment on YSK: You can make supercapacitors out of cement, water and carbon black
SchmidtGenetics@lemmy.world 1 month agoCement is one ingredient in concrete, the other is sand and aggregate, which just require access to really.
Comment on YSK: You can make supercapacitors out of cement, water and carbon black
SchmidtGenetics@lemmy.world 1 month agoCement is one ingredient in concrete, the other is sand and aggregate, which just require access to really.