prostheticknowledge:

Project Soli

Another announced project from Google ATAP today in collaboration with Ottica developing interactive method using small RADAR chips and finger gestures:

Project Soli is developing a new interaction sensor using radar
technology. The sensor can track sub-millimeter motions at high speed
and accuracy. It fits onto a chip, can be produced at scale and built
into small devices and everyday objects.

Link

Ottica have a Tumblr blog here