This is already used in many places, due to the very low cost, but the amount of...

adrian_b on Aug 1, 2023 | parent | context | favorite | on: MIT engineers create an energy-storing supercapaci...

This is already used in many places, due to the very low cost, but the amount of energy stored in a given volume is very small in comparison with batteries or supercapacitors, even when a great difference in height is available.