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  • CameronF16 commented on babblin5's instructable $5 Mini USB Fridge!3 months ago
    $5 Mini USB Fridge!

    Just to interject quickly before someone takes this advice: The effect is actually the other way around. Highly polished surfaces reflect heat more effectively, and thus don't work quite as well for heat transfer. I doubt in this case it would make much difference, but it would be less effective for it to be shiny.

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