Source: http://gizmodo.com/a-microscopic-lens-free-image-sensor-could-turn-anythin-1552714005
This tiny piece of glass may not look like much, but in fact its surface is cleverly etched to capture light, and it contains a small chip to process the incident light. Yep, it's a tiny camera that could provide any object—however small—with the means of capturing images.
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