'Soli' is one of Google's research projects. It's a radar-on-a-chip, and has nothing to do with the phone's cameras. https://en.wikipedia.org/wiki/Google_ATAP#

'Soli' is one of Google's research projects. It's a radar-on-a-chip, and has nothing to do with the phone's cameras. https://en.wikipedia.org/wiki/Google_ATAP#Project_Soli https://en.wikipedia.org/wiki/Google_ATAP#Project_Soli It'll be interesting to see how this works once it's in the hands of consumers; the videos they were showing a few years ago looked pretty cool, but it seems like these sorts of novel user interfaces need to hit a difficult trifecta of being intuitive, reliable, and responsive.