These "intelligent" glasses are designed for professors

Scientists at la Universidad Carlos III of Madrid (UC3M) have developed a system based on augmented reality that, thanks to intelligent glasses, enables a professor to see notes or comments on the contents of a lesson. Plus, he or she can see if the students understand explanations or if they are having doubts or difficulties.

GPS accuracy given big boost

Spanish researchers say they've found a way to improve cars' GPS in cities by as much as 90 percent with a new low-cost device.