This is great piece of technology and it has fantastic use too, which always makes any eco friendly product worthwhile. This light wall is has been developed for the interactive device for use in hospitals and schools.
This light installation is fourteen feet long and six feet high, it is a touch screen which illuminates the 1,420 LED’s when touched. The image will stay on the screen for a few minutes before fading away when they can start all over again.
Source [Hippy Shopper]