In reply to Abd ul-Rahman Lomax's message of Tue, 22 Dec 2009 19:36:31 -0500: Hi, [snip] >Takahashi gives very strong arguments as to why >the hypothesis of direct d-d fusion to He-4 is implausible. [snip] It is implausible unless the energy can be disposed of by fast electrons.
(I must confess however that I would prefer alpha particles ;) BTW at his best power to weight ratio of 3 W / cc of Pd and at the current price of Pd it would take 43 years for the Pd to pay for itself, assuming no interest, power at 15 cents/ kWh, and 100% efficient conversion. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html