> you solved problem of easy production of electricity Sure, but you may not have solved the problem of how to get the heat out of your spaceship. Since your

> you solved problem of easy production of electricity Sure, but you may not have solved the problem of how to get the heat out of your spaceship. Since your only option is radiative heat transfer (no convection/conduction…), you're stuck with really fat radiators. So you really don't want to waste power into heat. https://en.wikipedia.org/wiki/External_Active_Thermal_Control_System https://en.wikipedia.org/wiki/External_Active_Thermal_Contro...