http://en.wikipedia.org/wiki/Stefan-Boltzmann_law
The law is valid only for ideal black objects, the perfect radiators, called black bodies.
I didn't say the window was a black radiator. In fact I never said it was a radiator.
Second clue. Stefan-Boltzmann law also applies to grey bodies as well.
http://www.engineeringtoolbox.com/radia ... d_431.html
I don't need clues Dymonite just straight talk...
SB says black radiator... explain your calcs...
Ed