Excitons—bound pairs of electrons and an electron hole—are quasiparticles that can arise in solids. While so-called "bright" ...

European researchers are developing quantum computers using light and glass, in a collaboration that promises breakthroughs in computing power, battery technology and scientific discovery.

1. On the iPhone's lock screen, touch and hold anywhere on the display until you see the Customize button. You'll need to ...

This paper presents a novel method for detecting shadow regions from a single image. The key idea of the proposed method is to filter out dark objects, which still give a great difficulty in shadow ...