graphite
gra fahyt
- n used as a lubricant and as a moderator in nuclear reactors
- When an rbmk reactor loses its water coolant the graphite remains in place and a nuclear reaction continues producing heat that, combined with oxygen, can set the graphite on fire.
- Built up in layers inside wooden framing, it took the shape of a doorknob the size of a two-car garage a flattened graphite ellipsoid 25 ft.
- Both systems employed graphite to moderate the nuclear reaction.