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Solid light
Hypothetical solid form of light
Solid light
Solid light, or hard light, is a hypothetical material consisting of light in a solidified state. It primarily appears in science fiction. It has been theorized that solid light could exist. Some experiments claim to have created solid photonic molecules by inducing strong interaction between photons. Potential applications of solid light could include logic gates for quantum computers and room-temperature superconductor development. A team of Italian scientists published in Nature Journal in March 2025 that they have found a way to make light act like a "supersolid".
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