LENS-FREE IS THE WAY TO BE. For a camera to work, it’s pretty much gotta have a lens. That little piece of glass is responsible for directing light to the camera’s sensor so it can produce an image.
The device, a square that measures just 0.04 inches by 0.05 inches (1 by 1.2 millimeters), has the potential to switch its "aperture" among wide angle, fish eye and zoom instantaneously. And because ...
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