the idea of color changing concrete that can be used for information display was originally posted a while ago, but now seems to have finally reached the prototype phase. the system is able to dynamically display patterns, numbers & text in concrete surfaces. potential application range from simple products for the home to large-scale architectural installations.
[chromastone.com & chromastone.com (mov)|thnkx Martin]








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actually this sounds nice at first, but for the second thought the color change is quite slow.
(and i would like to know about the energy consumption)
actually there is also TRANSPARENT concrete, which - with some added lights - may do the same even better.