Bringing molecules into view: Record-breaking high-resolution optical technique resolves objects as small as 0.5 nanometers

Researchers have developed a technique that enables the use of optical microscopy to image objects or the distance between them with resolutions as small as 0.5 nanometers -- one-half of one billionth of a meter, or an order of magnitude smaller than the previous best. This super-resolution technique has the potential to revolutionize biological imaging.

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