one of essays is we misunderstood franken styne. the lesson is not to create new technologies or life even the lesson is we should never abanden our creations. dr. franken styne saw the creation, it wasn't like he expected it and he abandoned it. that's what turned his creature into a monster. >> stephen: that's what nuclear energy became for us in the 70s. three mile island we abandoned it even though it needed love, even though it had thrown that girl in the lake. [ laughter ] >> the technology we used to power nuclear submarines it was the wrong technology. there's much better. >> stephen: what kind of technology? >> liquid metal, fuels, other fuels. >> stephen: soriium. i see that online all the time. >> there's a half dozen technologies we haven't done enough to push. in 1994 congress cut an important experimental program. it got confused with nuclear weapons. country don't pursue nuclear weapons because they have -- >> stephen: you believe iran is not pursuing nuclear weapons. >> new york city they are. we know that. >> stephe