Ultracompact camera the size of a coarse grain of salt

Researchers have developed an ultracompact camera the size of a coarse grain of salt that relies on a metasurface studded with 1.6 million cylindrical posts and produced much like a computer chip. [Research supported by U.S. National Science Foundation grants CMMI 1825308, ECCS 2025489 and ECCS ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video