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

Because it’s said by researchers in their 40’s so they’re set until retirement and cannot be held accountable anymore. If they’d make more realistic statements like “100 years from now”, or “not in my lifetime”, they wouldn’t get funded.

The same reason governments make plans with expected results 10 years later: they won’t be in charge anymore.

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