Hello, Wol. On Mon, Jun 17, 2024 at 13:39:35 +0100, Wols Lists wrote: > On 17/06/2024 12:17, Alan Mackenzie wrote: > > Sadly, the FBR never made it into commercial deployment.
> Was that the one with the heavy water moderator? So a thermal runaway > was impossible because you'd have no moderator left? It was a long time ago, but as far as I remember, the physics is that the plutonium reacts with fast unmoderated neutrons (hence "fast reactor"). Anyway, we've kind of drifted off topic, here. Maybe we should stop this discussion. ;-) > Cheers, > Wol -- Alan Mackenzie (Nuremberg, Germany).