We have all heard of the saying "what goes up, must come down." This rule of gravity is an important part of so many systems, and it can also be a nuisance sometimes. However, why not put it to more use?High-Speed Trains.Image Credit: ShutterstockGravity energy storage for the electricity grid involves using electricity from the grid to power a motor that lifts a weight upwards, and the weight is allowed to fall/roll down when electricity is ...
http://cleantechnica.com/2013/04/02/gravity-energy-storage-for-the-ele
0 comments:
Post a Comment