ring°wall - The two-piece ring°wall consists of a LED display and a multitouch information-wall and impresses by its size: a total surface of 425 square meters, which equals more than 6000 computer displays, is the biggest of its kind. An interactive World emerges out of 34 million pixels generated by 15 high definition projectors and is supported by 30 directional speakers. Multitouch sensors basing on laser technology, convert the usage of the natural user interface into an experience. By direct touching, more than 80 users can simultaneously get informed about news and activities around the ringworld.