News for hackers. Stuff that matters.

A comment on ‘Criticality safety event’ occurred at LANL’s plutonium facility. Parent comment

Re:‘Criticality safety event’ occurred at LANL’s plutonium f... by wereHamster on Sunday September 24, 2017 @03:32PM (#15326117)
Not just any water, only https://en.wikipedia.org/wiki/Heavy_water has that property.
[ Parent | on HN ]
Re:‘Criticality safety event’ occurred at LANL’s plutonium f... by philipkglass on Sunday September 24, 2017 @04:10PM (#15326293)
Heavy water is more effective, but light (ordinary) water moderates neutrons too. That's how light water reactors work: https://en.wikipedia.org/wiki/Light-water_reactor
[ Parent | on HN ]