News tagged with 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

Israeli start-up seeks to end roaming charges

An Israeli startup is trying to combat a common fear for international travelers: getting socked with hundreds or thousands of dollars in unexpected roaming charges for using cellphones away from home.

Dec 13, 2013
3 / 5 (2) 0

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