Essays about U235 Pu239

The Manhattan Project (609 Words -- Approx. 2 Pages)
... When Neutrons initiate nuclear fission. Fission bombs contain uranium 235 or plutonium 239. Stray neutrons are always zipping around within the U235 and Pu239. ...
physics (8103 Words -- Approx. 32 Pages)
... An enriched fuel with not less than 25 of fissinable material content ie U233, U235 and Pu239 is required for its successful operation. ...