for scene 28 of the video " Energy Forever - 2 Fusion and Biofuels" by Rolf Witzsche - Ice Age Ahead not Global
here for a larger image
The fusion process blows itself out
In addition, it takes more energy input to create the brute force to cause the fusion to happen, than the fusion process gives back. No net energy gain has yet been achieved.
While fusion burns have been achieved in some of the largest reactors, the fusion process itself has an inherent flaw, which all by itself makes fusion power impractical. The flaw is that the fusion process blows itself out for reasons that the fusion fuel is being diluted with the resulting fusion product. The longest burn-time to date that has been achieved, was about 1 second.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.