Robin van Spaandonk wrote: > So why bother enriching at all?
Rossi himself stated that the fuel is enriched, and that the energy cost for enriching it for a 1 MW set of reactor is (only!) 200 W.h. By analogy with classical Uranium nuclear reactors, I can only assume that the reactive isotope ratio in natural nickel is not enough for self-sustained operation. -- Berke Durak