Michigan State University researchers have developed a new thermoelectric material based on naturally occurring materials that don't require complex or costly processing.
Re: Researchers Develop New Thermoelectric Material
11/29/2012 11:38 PM
Other than, the article is pure fluff. Any two material gives off some voltage, metals produce stable voltages and reproducible currents to. As far as the price claim concerns, copper brazed to steel is cheap as it can get.