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Edition #116 · Saturday, August 15, 2026 · 2924 positive stories
Tech for Good

Controlling the rotation direction of light without complex new materials

Phys.org Latest 2026-08-14
Controlling the rotation direction of light without complex new materials

A new pathway has opened for controlling the rotation direction of light simply by changing how molecules are arranged, without having to synthesize complex new materials. Circularly polarized light is a special form of light that travels while rotating like a pinwheel to the left or right. Because different rotation directions can carry different information, it is drawing attention as a key light source for next-generation displays, optical communications and security technologies.

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