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I get what you’re saying, and you’re right on many ways (especially wrt the energy conversion), but the barrier to producing net-positive fusion has been overcome. And it’s just a matter of scaling it up at this point— which includes overcoming many new hurdles such as (more) efficient energy conversion.
But none will be so insurmountable as the initial creating of net-positive reactions. That was the big one, and we did it.
I guess my objection then is that I tend to take “just scale it up” to imply “all the tech development hurdles are done, we have a working prototype of the machine we want to build, we just need to construct a physically larger one”, and so was taking the process of improving the efficiency of the reaction to useful levels and figuring out how to make a significantly more efficient laser as “we don’t have this technology done yet, because we still have these milestones left”. In other words, we’re just arguing from confusion over different definitions of a word rather than the reality of what those words are referring to
I never claimed that all of the development hurdles were done. Far from it. But if you wish to object to my phrase, “just scale it up“, then you can certainly criticize me for oversimplifying the matter.
I get what you’re saying, and you’re right on many ways (especially wrt the energy conversion), but the barrier to producing net-positive fusion has been overcome. And it’s just a matter of scaling it up at this point— which includes overcoming many new hurdles such as (more) efficient energy conversion.
But none will be so insurmountable as the initial creating of net-positive reactions. That was the big one, and we did it.
I guess my objection then is that I tend to take “just scale it up” to imply “all the tech development hurdles are done, we have a working prototype of the machine we want to build, we just need to construct a physically larger one”, and so was taking the process of improving the efficiency of the reaction to useful levels and figuring out how to make a significantly more efficient laser as “we don’t have this technology done yet, because we still have these milestones left”. In other words, we’re just arguing from confusion over different definitions of a word rather than the reality of what those words are referring to
I never claimed that all of the development hurdles were done. Far from it. But if you wish to object to my phrase, “just scale it up“, then you can certainly criticize me for oversimplifying the matter.