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Light can now be shaped in empty space, and it could simplify sensing and boost data links

phys.org·University of East Anglia·about 1 month ago
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Light: Science & Applications (2026). DOI: 10.1038/s41377-026-02278-6"> Concept of spin-separation in vectorial fields. Credit: Light: Science & Applications (2026). DOI: 10.1038/s41377-026-02278-6 Scientists at the University of East Anglia have uncovered a hidden property of light that allows it to twist, spin and behave differently—without mirrors, materials or special lenses. In a breakthrough that could transform medical testing, data transmission and future quantum technologies, researchers from the UK and South Africa have shown that light can be "programmed" simply by exploiting its natural geometry. The discovery overturns decades of scientific thinking and reveals that light can develop chiral behavior—meaning it can act like a left or right hand—while traveling freely through space. This, the team says, could ultimately lead to a world where light carries information, probes biology, manipulates matter and protects quantum signals.…

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