There are two main problems in my opinion, and they are both related to the "fuel". First, uranium is rare and you often need to buy it from other countries. For instance, Russia. Not great. Second, it is not renewable energy. We can't rely on nuclear fission in the long run. Then there's also the issue of waste, which despite not being as critical as some argue, is still a problem to consider

[–] ShouldIHaveFun@sh.itjust.works 5 points 4 months ago

There are some reactor designs that run on waste of standard reactors. It would solve two of your points for at least some decades.

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