Spray paint that conducts electricity

Imagine if you could create touchscreen surfaces with just a spray from a can. A system called Electrick might make this possible. It involves coating an object in a special spray paint that conducts electricity. Electrodes (things that pass electricity in and out of non-metal materials) are attached to the coating and a computer algorithm (a series of instructions for a computer) can measure disruptions to the coating. When you touch the coating, the computer can sense it. Electrick can detect where a finger is to the accuracy of one centimetre. The technology means that just about any object can be turned into a touchscreen surface.…

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The Week Junior (Digital) - 1 Issue, No. 79

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