In article <2gbed2$sje at mserv1.dl.ac.uk> John Woods <eanv20 at castle.ed.ac.uk>
writes:
>And I'm still not sure whether
>photons count as thermal energy or not.
> ... John Woods
Photons definitely DO NOT count as thermal energy. Thermal energy is the
*internal* energy of a substance which is due to vibrations/movements within
the substance. You cannot have thermal energy in a vacuum, and photons
definitely exist in a vacuum.
__
Jonathan B. Marder '
Department of Agricultural Botany | Internet: MARDER at AGRI.HUJI.AC.IL
The Hebrew University of Jerusalem | /\/ Bitnet: MARDER at HUJIAGRI
Faculty of Agriculture |/ \ Phone: (08 or +9728) 481918
