The transistor laser invented by scientists at the University of Illinois at Urbana-Champaign has now been found to possess fundamental non-linear characteristics that are new to a transistor and ...

A transistor is a key component in electronics, often used as a switch or to amplify a signal from a sensor. NPN (negative-positive-negative) transistors are the most used transistor. An illustration ...

An artist’s rendering of a fullerene switch with incoming electron and incident red laser light pulses. (Image: Yanagisawa et al. CC-BY) Over 70 years ago, physicists discovered that molecules emit ...