Light-Emitting Wallpaper Does Just What it Says

I can't tell you much about this wallpaper, except for that I think it rules the school. It's basically a two-dimensional light source that switches on and off. Please, someone put Jonas Samson's idea into practice, because I'd have no hesitation in putting this up in my bedroom. Just one question, though: does it come in a roll? [Design Scoops]