On Friday 15 December 2006 09:04, Frederick Sparber wrote: > Thomas Malloy wrote: > >I'm thinking that I should write a letter to Ms Polozi thanking her for > > this. I think I'll suggest that she have a researcher look into the Brown > > Nuclear Battery. Paul Brown claimed that the output energy exceeded the > > input by 25,000 times. > All working models of the BNB were loaded on > > rockets and sent into the outer reaches of > the solar system. OTOH, the > > last I heard, they were still working. > > Better do your homework first (after you read this) Thomas. :-) > > > http://groups.google.co.uk/group/sci.skeptic/tree/browse_frm/month/1990-08/ >6f8e760842199985?rnum=11&hl=en&_done=%2Fgroup%2Fsci.skeptic%2Fbrowse_frm%2Fm >onth%2F1990-08%3Fhl%3Den%26 > > " The problem with the amount of energy per gram of radioactive material > implied by the 1989 Peripheral Systems Annual Report is on page 4. It > says that 70 watts of electricity was produced from 1 gram of strontium-90 > and 50,000 watts from 2 lbs of stuff (55 watts/gram). This is far above > the amount of energy available in the radiation. Here are my calculations > which have been checked by 3 different Nuclear engineers (two point out > that I should really use only 0.535 Mev/decay since the energy in a > neutrino can not be used, but even with this generosity Brown is way off): > > Specific activity of Sr-90: 139 curies/gram > Curie: 3.7e10 decays/sec > Max energy per decay: 2.8 MeV/decay > Energy equality: 1 MeV = 1.6e-13 joules > Power: 1 joule/sec = 1 watt > > A good source for the above is "CRC - Handbook for Radioactive Nuclides"
Perhaps another indication of charlatanism question raised by Fred is that all the material is extremely old, 1990ish. Unless of course somebody comes up with 'its been classified....'. Standing Bear
