Why is fusion always “30 years away?”

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It seems that for the last couple decades fusion is always 30 years away and by this point we’ve well passed the initial 30 and seemingly little progress has been made.

Is it just that it’s so difficult to make efficient?

Has the technology improved substantially and we just don’t hear about it often?

In: Physics

34 Answers

Anonymous 0 Comments

You look at current progress and say “we’ve solved 1/3 of the problem in 10 years so 1/3 every decade is 30 years”. The problem of course is you’ve solved all the easy problems and the harder ones take longer. You have literally no idea how long it takes to solve each problem you know about and you don’t even know all the problems.

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