September 4, 2013
WE'RE GONNA NEED MORE BRICKS:
Vascular Window Keeps Room Cooler (Cynthia Graber, 9/03/13, Scientific American)
Posted by Orrin Judd at September 4, 2013 5:13 AMWhen animals get hot, tiny capillaries near the surface of the skin dilate. Circulating blood helps transfer the body heat out to the air.In that spirit, the researchers created a super-thin silicone-rubber layer with a network of tiny sealed channels. When the rubber is stretched over a window, it's completely transparent.Water running through the channels absorbs heat and transfers it to the outside air. In the researchers' model, a large window at 100 degrees Fahrenheit can be lowered to a much more manageable 86 degrees. And the energy needed to pump the water is far less than what would be needed to cool the room equivalently with air conditioning.
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