Solar panels are pretty common and you find them on houses on top of building all trying to capture a bit of sunshine and make some electricity. Now some research is suggesting that you can make paint that is able to do the same thing as solar panels---generate electricity. The work from University of Notre Dame is just beginning and the paint is about 10 times less efficient than solar panels but it is a start. They used tiny particles of titanium dioxide (the same stuff as in most white paint) and coated them with cadmium salts that help convert the sunlight into electricity.
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