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Re: Global warming 'past the point of no return'
According to the people I spoke to last night, the possibility of a commercial fusion reactor as about 30 years away, which is getting a bit late for preventing climate change, so we will have to do other things first. However this is probably the long term solution.
By the way, the present record for a sustained plasma is about a minute. It doesn't have to be sustained indefinitely... it can be pulsed.
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