Medieval artisans unwittingly used nanotechnology when they mixed gold chloride into molten glass to create richly hued stained glass windows. Soon we could have full-color displays or stained-glass windows that change color at the flick of an electrical switch, thanks to the same kinds of light-scattering nanoparticles. Read more…

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Soon We Could Have Displays and Windows That Change Color with the Flick of a Switch