Boston College, MIT researchers achieve dramatic increase in thermoelectric efficiency
Harnessing the thermoelectric effect has both enticed and frustrated scientists since its discovery in the early 19th century. A team of Boston College and MIT researchers report using nanotechnology to engineer a commonly used semiconductor alloy to achieve a major increase in thermoelectric efficiency, a milestone that paves the way for a new generation of products that run cleaner.
In a sharp turnaround, the Republican candidates has opened a 5-point lead on his Democratic rival and is seen as a stronger manager of the economy, according to a Reuters/Zogby poll.
AFP - Georgia's South Ossetia and Abkhazia regions planned rallies Thursday to ask Russia for recognition as independent states, two weeks after Russian troops occupied both provinces.
