News tagged with electric 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 ...

dateJul 16, 2014 in Materials Science
shares0 comments 0

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 ...

dateJul 11, 2014 in Energy & Green Tech
shares0 comments 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?

dateJul 04, 2014 in Energy & Green Tech
shares0 comments 3

Electromobility as privacy hazard

Consumers who charge an electric vehicle on a regular basis may leave a data trail. With each charging process, the system saves when and where it took place and which customer paid for it – a privacy risk, says Tilman ...

dateJun 03, 2014 in Energy & Green Tech
shares0 comments 1

Microscopy charges ahead

(Phys.org) —Ferroelectric materials – substances in which there is a slight and reversible shift of positive and negative charges – have surfaces that are coated with electrical charges like roads covered ...

dateMay 29, 2014 in General Physics
shares0 comments 0

Self-powered wireless light detectors

Light detectors are used extensively in daily life as brightness sensors and as receivers for remote control devices in electrical gadgets, for example. However, operating these detectors requires electrical ...

dateMar 12, 2014 in General Physics
shares0 comments 0