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In short: yes. It can be done. Clean, almost limitless energy, funded in a way to provide effectively free electricity for ordinary people. Restrictions would have to be in place to prevent true excess, but regulations already handle such matters in other areas.

The ambient vibe of our time, and here on HN, is often really pessimistic. I don't believe such pessimism is realistic. Commercial grade fusion power will come, and we should push very hard to make it happen. It will change the equations at the core of the economy and open up whole new paths for technology -- far beyond the pure digital.