stairs stories

iRobot is working hard on a new generation of robots that won't be held up by simple obstructions such as staircases. The video above shows their latest effort, a stair-climbing robot designed to make it both up and down stairs...
 
These awesome stairs are literally hanging from the ceiling, floating free from any walls around them and defining the room their in rather than being tucked away and just serving their utilitarian purpose. They leave plenty of open space around...