On Wed, May 22, 2013 at 4:10 PM, Alan Fletcher <[email protected]> wrote:
> > > On the register HolyFreakinGhost commented > > Posted Wednesday 22nd May 2013 03:03 GMT > <http://forums.theregister.co.uk/forum/containing/1833015> > > ... > Thirdly, using the Stefan-Boltzmann law on anything that isn't a blackbody > isn't likely to convince me that you know what you're doing. I don't see > anywhere where they take into account that for a real substance the power > law is somewhat greater than 4 -- and that this has to be tested > ... > > and > > Posted Wednesday 22nd May 2013 12:51 GMT > <http://forums.theregister.co.uk/forum/containing/1833878> > > ... > Did you miss the part where I found that they're modelling heat emission > using the Stefan-Boltzmann law, which is only valid for blackbodies, and > that they didn't test whether or not this object is actually radiating as a > blackbody (hint: it won't be), and that they would have to modify that law > to T^(4+delta) with delta<~1? That's the point I stopped reading. > .. > > If the exponent should between 4 and 5 doesn't that just mean Levi et al made another appropriate conservative estimate? Harry
