[gr8fl4porsche]

Seems that experiment would be easy to reproduce. You take a small electic motor which spins a very efficient rotating mass as fast as you can get it to spin. Then you pull the cord and watch the lightbulb stay lit for a few minutes or so. Amazing. Actually not a bad idea. You would only have to apply power to the gererator a few times an hour to keep the light bulb lit. Unfortunately my power needs are a little greater than lighting one bulb.