A cryo may be hard to put togather (and maintain - from experience) but there are plenty of peltier junctions/devices out there...
Brian KD4FM Lux, James P wrote: > Exactly.. I'm sure I'm not the only one on this list that has contemplated > home use of liquid helium or even making the stuff. Hey, if Onnes could do > it 100 years ago, so can we. > > I assume the cryogen isn't being used for superconductivity in this case, but > for just being cold. In which case, perhaps LH2 or LN2 would serve almost as > well. The latter, particularly, is pretty manageable (i.e. You don't have to > make it yourself). > > Cost wise, I like the snippet I read in Scientific American a decade or so > ago.. LN2 is the cost of milk, LHe is the cost of fine scotch whisky > Is a obsessive precision worth a bottle of scotch? > > Jim > > On 11/30/08 2:13 PM, "M. Warner Losh" <[EMAIL PROTECTED]> wrote: > > In message: <[EMAIL PROTECTED]> > Bruce Griffiths <[EMAIL PROTECTED]> writes: > : Cryogenic standards arent really feasible for home use as most require > : liquid helium coolant. > > This has got to be one of the best lines in a time-nuts email :) > > Warner > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
