No doubt about it, cheap clean fusion energy would be quite a prize, but I'm just not seeing the big breakthrough(s) in the pipeline to even get within a few orders of magnitude of 'just barely possible' and that at staggering cost.
I want it, I think applications in space travel would be stunning too, but the nuts and bolts of making it work at all, let alone 'cheaply' are beyond daunting.
I want it, I think applications in space travel would be stunning too, but the nuts and bolts of making it work at all, let alone 'cheaply' are beyond daunting.