And it was all of those, Ebbie. And there are much better designs now.

But...

fission power should be the last resort. Use other types that are available first: wind, solar, geothermal, tidal, even coal. In the meantime, restart R&D into fusion as it can use the fission waste products to produce energy while rendering the radioactive waste into non-radioactive waste.

We're looking for a non-existent magic pill. It's not there and we'd better get used to the idea that the time has come to pay, and I mean PAY, the piper.