> one can literally make more of the material in the right type of reactor? Until one runs out of the feedstock one is using to make more fissionable material.

> one can literally make more of the material in the right type of reactor? Until one runs out of the feedstock one is using to make more fissionable material. You're not recycling actually burned fission fuel. You're making more fission fuel out of isotopes that don't fission at all.