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Ever wonder what it’s like to have an “eagle eye?” Surgeons and spies alike may soon find out, thanks to a new camera lens that works the same way eagle­—and human—eyes do, despite being no bigger than a grain of salt. With spy gadgets in mind, scientists started working on the microlens a few years ago, but this new version features improvements to the lens’s field of view and focusing ability. Their latest version—cast in plastic with a 3D printer—acts like an eagle eye, they report today in Science Advances.

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Category: Science