A functional Camera the size of a grain of salt

[DuckforcoveR]

Now THAT is cool. I like the part at the end where you get a good feeling about all of the wonderful possibilities:

can lead to a plethora of different miniaturized multi aperture imaging systems with applications in fields such as endoscopy, optical metrology, optical sensing

and then they punch you with:

surveillance drones, or security.

Everything is just getting too small. There was a guy who predicted this...