SFist has spotted Uber’s self-driving cars on the streets of San Francisco, bearing their trademark menacing sensor array and the logo of Uber ATC, the ride-hailing behemoth’s research arm. An SFist reporter captured video of one of the vehicles in motion–barely–through SF traffic. A video posted by Eve Batey (@evelb) on Sep 3, 2016 at 10:17am PDT Get Data Sheet, Fortune’s technology newsletter. It’s unclear whether the cars are actually operating autonomously as part of…