"Eskimo Will" wrote in message
...

I really canot understand why this is being discussed at such length. The
laws of thermodynamics state that heat energy (radiation is a form of
heat) flows from warm to cold and entropy increases, end of, surely?

I now realise that the problem is that we are talking at cross purposes.
They are talking about the balance of radiation which results in a NET flow
of heat from warm to cold. I am talking about the cooler of those two flows,
which is called cold radiation.

It is all very simple, but I am having trouble coping with the insults which
seem to accompany nearly every post, not just those from Dawlish, who of
course muddies the water when ever he can.

Cheers, Alastair.