OK, so it isn't the finest week for free-energy machines, but perhaps the boys at Steorn are just giving this category a bad name. Some seemingly free-energy concepts make sense, because they are powered not by mystical cosmic vibrations, but actual earthly ones. Scientists at the University of Southampton have created a generator that is fueled by the tremors of everyday life. It makes a trace amount of electrical current, but it's enough to power sensors and, eventually, small machines.
Kinja is in read-only mode. We are working to restore service.