A fast-neutron reactor or fast-spectrum reactor or simply a fast reactor is a category of nuclear reactor in which the fission chain reaction is sustained by fast neutrons, as opposed to slow thermal
The BN-350 reactor was also used for desalination of sea water.
Clementine reactor cross section
RORSAT by Ronald C. Wittmann, 1982
A breeder reactor is a nuclear reactor that generates more fissile material than it consumes. These reactors can be fueled with more-commonly available isotopes of uranium and thorium, such as uranium
The Beloyarsk Nuclear Power Station, site of the BN-600 and BN-800, the only two commercially operational breeder reactors as of 2026
Experimental Breeder Reactor II, which served as the prototype for the Integral Fast Reactor
The graphite core of the Molten Salt Reactor Experiment
The Shippingport Reactor, used as a prototype light water breeder for five years beginning in August 1977