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 Windows can offer beautiful natural light, but  on bright days, the sun lighjt can bake a room. That tropic drive the air conditioner to use and energy costs. Now a team od researchers help this ---for bilogically inspired engineering has designed cooler windpws by --nature. When animal get hot, tiny capillaries¹ near the surface of skin dily, circulating blood had transport the body heat out of the air. In that spur, the scientists create a super things --rubber layer with the network of tiny sealed channels. When the rubber stretches over the window, it completely transparant, water running through the channels observe heat and transport that to the outside air. In the research's model, a large window at  a hundrad degree's Fahrenheit² can be lowered to a much more managable 86 degrees. And the energy need to pump the water, it's far or less somewhat need to cool the room equivalently with air conditioning. The research is in the journel solar energy material and solar cells. The team's working are architect to model energy saving and if the microfliud at the channels wasl included in the entire building's windows, which could warm consumer's house.