Exactly. It is a mean to produce more nuclear fuel, which is very rare = on the planet (only for 50 years?) But I think is very dangerous/difficult to maintain this reactor, in = France it is closed now. Sean Breheny a =E9crit : > It should be noted that this does not mean a free lunch. Breeder > reactors take in U235 and U238 and output Pu which can then be used in > another reactor. This does not violate conservation of mass/energy > because U238 does have some nuclear "potential energy" which cannot be > easily released. The breeder reactor is a means of accessing the > stored energy in U238. > > If you take the total matter+energy input to a breeder reactor, and > the matter+energy output, they are still equal. Mass is taken from > U235 and U238 and converted into some heat, some useful energy, and > mass of Pu, which can then be further used to end up with more energy > and less mass. > > On Fri, Nov 21, 2008 at 4:23 AM, Artem Zezyulinskiy > wrote: > = >> Don't forget the breeder reactor, that produce greater amount of fuel >> than it consume: >> >> http://en.wikipedia.org/wiki/Breeder_reactor >> >> = -- = Artem ZEZYULINSKIY SEDATELEC, Chemin des M=FBriers Irigny, 69540, FRANCE Tel : +33 [0] 472 663 326 -- = http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist