Scientists find a way to create matter from light

Scientists have long theorized that you can create matter from light by colliding photons, but proving that theory has been a different story -- you need the right high-energy particles to even think of trying. However, it looks like that once-impossible dream is close to becoming reality. Researchers at Imperial College London have discovered a technique that should produce electrons and positrons by colliding two sets of super-energetic photons.

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