Halogen to be banned
On 10/06/2021 02:57, williamwright wrote:
On 09/06/2021 17:28, T i m wrote:
Ulitimately of course *all* the energy ends up as heat.
What, even the stuff coming out as visible light / UV light?
I suppose when it is absorbed it produces heat.
Bill
But it is not the end of the story heat itself radiates :-)
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