In reply to Axil Axil's message of Thu, 28 Mar 2013 16:08:50 -0400: Hi, [snip] >In a fission reactor, you need tons of Pu239 and/or U235 to make the >reactor critical. > >Again in this case, all the bulk of the fiscal material is involved in the >nuclear reaction; tons of it. > >This latest example is going in the wrong direction to support your case, >from pounds of material to tons needed to go critical.
You were claiming that a neutron density, high enough to be useful, could not be achieved. I have shown that even a "low" density example (fission reactor), is obviously useful, and my previous example shows that much higher densities are possible. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html

