Learn why NASA's mechanical battery system outperforms lithium-ion in durability and precision for energy storage. NASA's ...

Cornell University researchers are building soft robots with "robot blood" that is both hydraulic fluid that provides motive force and at the same time a battery that ...

Connect the other terminal of the knife switch to the battery. Connect the end of the ... will be pulled toward the 4-inch nail. This is mechanical energy in action. The mechanical energy is ...

VW's warranty covers the battery until the battery degrades to about 70% charge capacity. Most traditional cars have major mechanical failures well before that mile mark, so the ID.4's battery ...