4 ms·You're thinking of an RTG, not a reactor.by brazzy 6y agoYou're thinking of an RTG, not a reactor.okl 6y agoNo, reactor: https://en.wikipedia.org/wiki/TOPAZ_nuclear_reactor https://en.wikipedia.org/wiki/TOPAZ_nuclear_reactorbrazzy 6y agoFascinating, first time I've heard of those!