News tagged with electric charges

Electric fields can push droplets from surfaces

Researchers at MIT have followed up on their discovery that droplets of water acquire an electric charge when jumping from certain condenser surfaces by finding a way to make use of that effect: They found ...

Dec 20, 2013
4.8 / 5 (5) 0 | with audio podcast

Novel LEDs pave the way to cheaper displays

Researchers from the universities of Bonn and Regensburg have developed a novel type of organic light-emitting diode (OLED). These lights are suitable for the design of particularly energy-efficient cheap ...

Nov 08, 2013
5 / 5 (14) 2 | with audio podcast

An ultrasensitive molybdenum-based image sensor

A new material has the potential to improve the sensitivity of photographic image sensors by a factor of five. In 2011, an EPFL team led by Andras Kis discovered the amazing semi-conducting properties of ...

Jun 12, 2013
4.8 / 5 (19) 3 | with audio podcast