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New material (Polyurethane) - New possibility
The Transformable Wheel
The wheelchair is one example for the transformable wheel.
A wheel is made of a flexible a swell as robust plastic (Polyurethane). The vehicle adapts the contact face and the centre of gravity to the situation. Via vertical pressure on the handle bar the round wheel transforms to ellipsoid. Consequently steps an barriers can be handled a lot easier.
Köln International School of Design
Prof. Hatto Grosse