bellow is a link of an article that I found... MIT find a way to recycle the heat of the common light bulbs into light!with this method can make an old light bulb 35 % more efficient !!!!!it Could be awesome if they make cods even more efficient with this method.....
http://www.telegraph.co.uk/news/science/science-news/12093545/Return-of-incandescent-light-bulbs-as-MIT-makes-them-more-efficient-than-LEDs.html
http://www.telegraph.co.uk/news/science/science-news/12093545/Return-of-incandescent-light-bulbs-as-MIT-makes-them-more-efficient-than-LEDs.html
