Researchers build 'flying' micro-robot

This is really, really  . . . you know what? I'm running out of terms for this stuff . . .
This is really pretty wild though.

Flying Micro-Robots 

And then from Singularity Hub there's this. 

Reprap

A $500.00 dollar self replicating 3D fabrication printer.
Available in the distant  . . . um Right NOW!