Scientists at Northwestern University have manufactured a material capable of converting thermal waste to useful electric energy; it is a combination of strontium telluride and lead telluride. This semiconductor will transform approximately 14 percent of thermal energy into electricity, which is much more efficient than just lead telluride alone. Amazingly, this substance can be applied to nearly any heat generating technological device, from a light bulb to a car to an entire factory. If further progress is made in the energy converting department, there may eventually be little to no heat wasted and a balanced system would arise. In the future, heat, the waste product, could be reused as the source of energy that provides the power, and a cycle could be established.
See http://www.sciencedaily.com/releases/2011/01/110118143228.htm
Posted by Alex Fults-Ganey
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