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With a zap of light, system switches objects’ colors and patterns – EurekAlert

ChromoUpdate is an MIT-developed ”programmable matter” technique to quickly change objects’ color. The method uses light to alter the saturation of photochromatic…

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IMAGE: A new system uses UV light projected onto objects coated with light-activated dye to alter the reflective properties of the dye, creating images in minutes.
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Credit: Image courtesy of Michael Wessley, Stefanie Mueller, et al
When was the last time you repainted your car? Redesigned your coffee mug collection? Gave your shoes a colorful facelift?
You likely answered: never, never, and never. You might consider these arduous tasks not worth the effort. But a new color-shifting “programmable…

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