In reply to Jones Beene's message of Tue, 2 Jul 2013 18:30:32 -0700: Hi, [snip] >AFAIK - the HotCat is not designed to "retrieve" hydrogen, and yes the >reactor will stop working as soon as the initial hydrogen is depleted. It >was not intended to be a long-term solution so much as to demonstrate that >high temperature operation is feasible. > ..besides, if Rossi's reactor contains a Hydrogen "sponge" such as certain Lanthanum alloys, which release Hydrogen essentially "on demand", then you may count on him having engineered the amount such as to be able to supply sufficient so that it doesn't run out at least until the regular change over period has elapsed (6 months?). Note also that because of the large amount of energy extracted from each atom, you don't need much.
Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html