> That's plutonium 238. It's not fissionable. It's used for RTGs because its alpha decay makes a big enough piece very hot. Plutonium 239 is the fissionable isotope.
Ah, so. Thanks!
32 posted on 05/20/2019 7:46:39 PM PDT by dayglored
("Listen. Strange women lying in ponds distributing swords is no basis for a system of government."`)