A problem developing more efficient organic LED light bulbs and displays is that much of the light is trapped within the light-emitting diode, or LED. Physicists believe they have solved the problem by creating a new organic molecule that is shaped like rotelle – wagon-wheel pasta – rather than spaghetti.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/SUiRm9TeaYo" height="1" width="1"/>
