Electrons take flight at the nanoscale

A study showing how electrons flow around sharp bends, such as those found in integrated circuits, has the potential to improve how these circuits, commonly used in electronic and optoelectronic devices, are designed.

Breaking in the black box of pedagogical authority

How does pedagogical authority operate in the classroom? A team has produced one of the first in-depth field studies on this subject. By filming teachers in training over a period of several months, the researchers identified different ways of exercisi…