> I think you are confusing thermonuclear with fission. Thermonuclear means fusion. Huh, TIL -- I'd always thought it meant both. Like, fission also generates

> I think you are confusing thermonuclear with fission. Thermonuclear means fusion. Huh, TIL -- I'd always thought it meant both. Like, fission also generates heat from activity of the atomic nucleus, so it's also "thermo-nuclear" in that sense. (So, if anyone knows: Where does the term come from -- is it from the immense heat needed for fusion ignition?)