Many animals in nature have special pigment cells that allow them to change the color of their skin in response to various stimuli. Now, Northeastern University researchers combined one of those pigments, called xanthommatin, with titanium dioxide to create a paint that can rapidly and reversibly change color in response to light.
Read MoreHouses in Thailand typically have steep roofs and may benefit from new, cooler ceramic tile pigment. Credit: Wikipedia. A two-degree temperature drop in room temperature may not sound like a…
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