News tagged with charges

Toward ultimate light efficiency on the cheap

(Phys.org) —Researchers at the University of Michigan have taken a major stride toward perfectly efficient lighting that is also relatively inexpensive and simple to make. The same material can also reveal ...

Jul 16, 2014
4.7 / 5 (13) 1

Getting a charge out of water droplets

Last year, MIT researchers discovered that when water droplets spontaneously jump away from superhydrophobic surfaces during condensation, they can gain electric charge in the process. Now, the same team has demonstrated that ...

Jul 11, 2014
4.8 / 5 (12) 0

FTC sues Amazon over kids' app charges

The Federal Trade Commission is suing Amazon over charges that the company has not done enough to prevent children from making unauthorized in-app purchases, according to a complaint filed Thursday in federal court.

Jul 10, 2014
5 / 5 (1) 0

A plug fit for every car

If you can't find a charging cable for your cell phone, it's an inconvenience. But what if you're away from home and can't find a charging station compatible with your electric vehicle?

Jul 04, 2014
4.2 / 5 (5) 3