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all are well advised to spend the time and effort to absorb Dave Smith's (myv65) articles
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Modesty too!!

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so many people still insist that aluminum is better at getting rid of heat while copper is better at absorbing it. Yeah, like metals have a brain and can decide to behave differently depending on which way heat is travelling. This is nothing more than confusion over transient vs steady-state conditions.
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Transient?, is that after the heatsource has been removed?. I recon ALu cooling faster after heatsource removal has to be the source of the AL/Cu thing/
myth , they just carried it over to heatsource~continued without thought!.
I was trying to imagine ALu having the same density as Cu when I asked the 'BillA choker' question

, if it was somehow compessed to the size & shape of Cu, I thought it would cool down afterheat the same.
Is heat storage directly related to density?, how far apart are ALu & Cu with conduction?, I know Cu is better but by how much?, do you think density plays any part in that?. is Lead any good for conducting?.