Google Advanced Technology and Projects (ATAP) Project Tango team is collaborating with NASA Ames Research Center’s Synchronized Position Hold, Engage, Reorient Experimental Satellites (SPHERES) program. Project Tango is developing 3-D tracking and sensing technology within its Google Android phones. The phone senses its motion as its being handled while also mapping its environment. SPHERES consists of three free-flying satellites onboard the international space station used to test various hardware and software. Credit: Google ATAP