Grumpy Old Geeks Products Project Soli Product Project Soli 2 mentions in 1 episode Google sensing technology that the hosts describe as using radar to detect finger movements. Mentions 113: No Food, No Poop... No Level Up. Jun 6, 2015 18:48 Google's new project solely. I think it's solely it's S O L I 19:04 it's using like millimeter wave radar in proximity sensing