The Roomba Duo is two robot floor cleaners in one. The original robot vacuum company showed off a concept robot at the IFA tech show in Berlin today. The Roomba Duo combines a heavy-duty floor-washing machine with a smaller, slimmer Roomba. The two floor cleaners can move around your home to gether, with the main unit mopping and sweeping larger floor areas and the smaller unit lowering mechanically when needed to clean tighter spaces, such as under tables or in corners. The Duo is also an autonomous mobile dock, with clean and dirty water tanks and a dust bag on board, and it uses lidar and camera-based navigation to map your home, navigate, detect obstacles, and look for dirt. The … Read the full story at The Verge. ...read more read less