News tagged with charges

Water molecules favor negative charges

(Phys.org) —In the presence of charged substances, H2O molecules favor associating with elements with a negative electrical charge rather than a positive electric charge. EPFL researchers have published a study on the subject ...

dateJul 16, 2014 in Materials Science
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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 the presence ...

dateJul 16, 2014 in General Physics
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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 ...

dateJul 11, 2014 in Energy & Green Tech
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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.

dateJul 10, 2014 in Business
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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?

dateJul 04, 2014 in Energy & Green Tech
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