Our lab (SACHI) in the University of St. Andrews last year applied for, and was selected to receive the Project Soli alpha developer kit along with 60 other groups around the world. Project Soli is a Radar based sensor that can sense micro and subtle motion of human fingers. You can see more about this project here: https://atap.google.com/soli/.

You can find out more about Object Recognition with the Project Soli in St Andrews here.