Quote:
Originally Posted by Daox
I agree with Piwoslaw. Turn it off before your last use. That way it'll sit at a lower temperature all day and loose less heat that needs replacing.
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This reminds me of a physics question my teacher asked me once:
If you had a cup of hot tea and someone called you to do something would the tea be hotter when you came back if you put the milk (cold) in before you went or when you came back?
The answer is put it in before you go as the temperature delta between the drink and the atmosphere is then lower so the heat loss is less.
One day I must try and prove this theory..