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Originally posted by Gemmer
As for color, darker colors retain heat because they absorb more light than lighter colors. Under the hood of a car, color makes no difference.
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Actually, dark colors radiate heat better than lighter ones.
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From Radianheatsinks.com FAQ's
Q: What difference does the color of the heatsink make?
A: In natural convection a black or dark colored heatsink will perform 3% to 8% better than an aluminum heatsink in its natural silverish color. This is due to the fact that dark colors radiate heat more efficiently.....
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