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I think the gap is not as far as the author purports. I've followed fusion research as a layperson for years, and clearly understand the point of these designs

I think the gap is not as far as the author purports. I've followed fusion research as a layperson for years, and clearly understand the point of these designs is to prove the most meaningful piece of the process of generating energy, not actually doing it, and that it would be a lot more work going from here to there. It think the summary on fusion is: - it's the most amazing energy source we have lined up in the mid term -ots almost certainly going to work - we are making meaningful but slower progress than we would like - it's dramatically underfunded

pfdietz 5y ago
My thinking on fusion is quite different. It's a technology that used to be considered the default future, but never made a lot of practical sense when examined closely, and now the justification for continuing to pursue it is becoming increasingly threadbare. In a decade or so this will become impossible for even fusion supporters to deny as the alternatives crash in cost.