I watched Roborock's Saros Rover successfully dodge obstacles, climb stairs, clean the stairs and even dance. It blew me away ...

Simple stairs have just two components. The flat board that your foot steps on is called a tread. The treads connect to side stringers and sometimes to one that is in the middle of the stairs. The ...

Roborock says the Rover will be able to climb almost any staircase, including traditional, curved, spiral, and carpeted staircases with bullnose fronts. Although the stairs I saw it demoed on were ...