'Roll it' turns compact housing on its head

'Roll it' turns compact housing on its head: "Students from the University of Karlsruhe in Germany have created a flexible housing solution that makes the most of its minimal interior space in a very unusual way. Dubbed 'Roll it', this cylinder-shaped home changes its purpose depending on its orientation - roll the the work space 180 degrees and it becomes a bed, the kitchen becomes a bathroom and you even get some exercise in the mouse wheel-like center section when you decide to 'move house'."