News tagged with electricity flow

A new and game-changing magnetoresistance

More than 150 years ago, William Thomson, later Lord Kelvin, discovered the magnetoresistive effect. Today, this finding enables sensors to measure the rotational speed of a car wheel, and is also used in compass navigation ...

dateJun 16, 2015 in General Physics
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Behind the dogmas of good old hydrodynamics

A new theory, which gives insights into the transport of liquid flowing along the surface under an applied electric field, was developed by a group of Russian scientists lead by Olga Vinogradova who is a professor at the ...

dateMar 26, 2015 in General Physics
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New technique controls fluids at the nanoscale

(Phys.org) —Researchers at Swinburne University of Technology have revealed a revolutionary method of pumping fluid at the nanoscale level that has potential use for desalinating water and lab-on-a-chip devices.

dateJun 30, 2014 in Nanophysics
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Test one's blood with the screen of a cellphone

(Phys.org) —Using the properties of a smartphone screen to perform blood tests: the device developed by Qloudlab allows at-home analysis in less than a minute. The expanded diagnostics will be used to help people undergoing ...

dateMar 17, 2014 in Engineering
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Eliminating unexplained traffic jams

Everybody's experienced it: a miserable backup on the freeway, which you think must be caused by an accident or construction, but which at some point thins out for no apparent reason.

dateOct 28, 2013 in Engineering
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Hair sensor uncovers hidden signals

An "artificial cricket hair" used as a sensitive flow sensor has difficulty detecting weak, low-frequency signals – they tend to be drowned out by noise. But now, a bit of clever tinkering with the flexibility of the tiny ...

dateJun 06, 2013 in Nanophysics
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