The Final Barrier to (Nearly) Infinite Energy

They say fusion is 50 years away, no matter when you ask. Then why are billions suddenly being pumped into fusion startups? Yes to train LLMs, but there's a reason the technobrats are bullish on fusion in particular. The fact is, the technological challenges have been chipped away and in many cases...

22 min - Engineering & Megastructures - PBS Space Time

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