On Fri, Apr 18, 2014 at 5:52 PM, Jones Beene <jone...@pacbell.net> wrote:
> The bulk of the material inside the active sphere is activated charcoal > (carbon). The charcoal has a mesh of between 1350 and 2000 (micro mesh > screening of 6 to 10 microns)…. That was selected to match the 8.2 micron > peak wavelength of black body radiation at 80°C [i.e. spectral radiance of > about 0.02 W/(cm2)]. The charcoal’s pores holding the metal alloy are > nominally 9 nm. IIRC, the source of Case's charcoal was coconut. The particular type of coconut was not stated and other sources of charcoal used in replication attempts did not work. At one time, coconuts were difficult to obtain and their source was frequently debated. TIC https://www.youtube.com/watch?v=liIlW-ovx0Y
