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Researchers from the University of California, Riverside and the University of Texas at Austin believe they have discovered the Holy Grail of materials science which allows them to convert photons from low-energy to high-energy
High-energy light (like ultraviolet) can produce free radicals, which are used to attack cancer cells, but which cannot penetrate deep enough... Meanwhile, low-energy light particles (like those from infrared) can penetrate deeply but don't possess enough energy
the team may have bridged the gap between the two, allowing deep penetration while creating the cancer-fighting free radicals exactly where they’re needed, all while using non-toxic materials