Sunday 20 March 2022

Radiating Heat

    Happy Spring!  Yes, officially spring has arrived, although we still have 10 inches (25cm) of snow covering our yard.

    The photo shows something I have always found fascinating:  How dark colors absorb and then radiate heat.  I noticed this “Y” shaped twig that had blown down and laid on top of the snow.  Because of its dark color, it absorbed more heat from the sun.  That heat warmed the twig so much that it melted all of the snow around it, all the way to the ground.  

    On the left you can see two other twigs that are melting their way down through the snow.  I wouldn’t have thought that such a thin things could have absorbed so much heat that they would melt the snow.


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