A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called ...
Zoe Kleinmann and a student make a pattern of light with translucent cups. Zoe Kleinmann and a student explore patterns. First they create units of two connected plastic cubes to create an AB pattern.
A new metasurface lets scientists flip between ultra-stable light vortices, paving the way for tougher, smarter wireless communication.
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