Volvo's drone-guided garbage-lifting robot is now a working prototype

First announced back in September, Volvo's concept of a small, autonomous robot that picks up and empties trash bins now has a working prototype. The project is dubbed "Roary," for Robot-based Autonomous Refuse handling, and also involves waste recycling company Renova, as well as universities in Sweden and the US. In the last four months, the concept has expanded to …