On Mon, Oct 13, 2014 at 9:23 AM, Jed Rothwell <jedrothw...@gmail.com> wrote:
> A corespondent sent me this link: > > > http://www.eurotherm2008.tue.nl/Proceedings_Eurotherm2008/papers/Radiation/RAD_6.pdf > > > He commented: "My interpretation of figure 6 is that the tranmissivity of > alumina goes down to zero. Hence, this shows the arguments about alumina > translucency are moot." > > - Jed > > does this imply the dark bands are not cast shadows? Harry