Uranium-235 it is

Submitted by myth (Germany), Dec 15, 2013 at 11:34

Michael, Uranium-235 is the fission-happy isotope in the mix, not the 99% abundant U-238. Just in case somebody who reads this is in a position to sign nuclear-arms deals before the sun sets.

Note: Opinions expressed in comments are those of the authors alone and not necessarily those of Daniel Pipes. Original writing only, please. Comments are screened and in some cases edited before posting. Reasoned disagreement is welcome but not comments that are scurrilous, off-topic, commercial, disparaging religions, or otherwise inappropriate. For complete regulations, see the "Guidelines for Reader Comments".