link / https://atap.google.com/soli/
project soli by google research center (google ATAP) is an interesting upgrade to the hand gesture interaction field. In this case the interaction is even smaller and finer than what we always had been used to in the last years. Simple finger movement can achieve great control over many potential devices. The pcb itself is incredibly small and efficient. The basic principle is the one of the “virtual tool gestures”. Still in the process of development and experiment (the first public demonstration by google in 2016)