A chameleon ink that changes color with light

A team of MIT researchers has designed an ink with which you can paint whatever you want, wherever you want. In addition, you can change the design infinitely.

This reprogrammable ink paints using a projector and ultraviolet light. It has been developed by the MIT CSAIL team, or what is the same, the MIT Laboratory of Computer Science and Artificial Intelligence.

They have combined cyan, magenta and yellow dyes that react to light, creating a spray that can be applied on any surface.

Once we have sprayed the spray, the ultraviolet projector that sets a combination of colors into a process that takes between 15 and 40 minutes comes into play.

Users assign the color or pattern they want in a program, which uses UV light to activate and deactivate different colors. The colors last with natural light, and if we are not satisfied with the design, we simply have to erase the pattern using that same UV light that can be replaced infinitely by a completely new one.

Its name is PhotoChromeleon and it will allow you to change the color of the case of your mobile or even your car, and look a different one every day. We no longer talk about changing only colors but adding new and different shapes or patterns.

It’s still an experimental process and it’s not for sale but it’s a great idea, right?

MIT already dared with a similar system called ColorMod that printed 3D things that could change color. However, each pixel had to be printed individually and could only have two states (transparent and its own color), so it was not very successful.

Here is a video so you can see how PhotoChromeleon works and understand how it could revolutionize the world of design.

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