29 Jul 10 1:27 AM

So, (please correct me if my logic goes astray) if 1000 tons hanging at 20 meters (about 22 yards) will theoretically posses enough energy to charge an electric car, therefore....... 2000 tons hanging......read more

28 Jul 10 1:30 AM

Does anyone have any experience in extracting electricity from a slowly falling heavy weight? I'd think you would get smaller losses this way rather than dropping water through a turbine. And in or......read more

27 Jul 10 9:01 AM

This is a very good idea. Battery technology is coming along, but it is very complicated and expensive. A way to store energy with something so cheap and simple as this is worth it's weight in....wate......read more