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by DennisP 38 days ago
Bear in mind the decay is exponential, so most of the radioactivity is in the near term. There's no fissile, and by mass it's about 1% as much as we're getting now from conventional reactor spent fuel. Encase it in glass and bury it, and you're probably good.

I'm mildly optimistic about fusion as well. One big advantage is regulatory; fission reactors can be safe if you design them well, but fusion reactors can't do much damage even if they're terrible. The NRC has already decided on a much lighter regulatory regime for them.