The world of optics is about to get a whole lot more precise. A team of researchers from the University of Rochester have developed a new method of creating optical vortices, or beams of light that twist like a tornado. The new technique is the first to be able to create vortices with an accuracy of just one nanometer, meaning the technology can be used to measure very small objects and materials with unprecedented precision. This breakthrough is expected to revolutionize the fields of microscopy, medical imaging, and other areas where accuracy is key.

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source: Phys.org