Oh and Elias I dont think the bicycle generator is overunity. It is an excellent example of an easy way to capture/show the energy moving in the coil though. Excess energy isnt created (ever) it is harvested/transformed into a form which we can utilize. Led's are such a great device. You could make a whole coil out of leds, imagine that! Every time your coil fires your room lights up!

I would like to see some inside shots of one of these generators. If its as simple as a floating magnetic sphere which is aggitated to induce voltage into a surrounding coil then we should experiment with this and Elias' magnetic coupling.