News tagged with electric charges

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 in snow. ...

dateMay 29, 2014 in General Physics
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Unlocking the brain's secrets using sound

(Phys.org) —The brain is a reclusive organ. Neurons the cells that make up the brain, nerves, and spinal cord communicate with each other using electrical pulses known as action potentials, but their interactions are complicated ...

dateJan 22, 2014 in General Physics
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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 that by applying ...

dateDec 20, 2013 in Nanophysics
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Small size enhances charge transfer in quantum dots

(Phys.org) —Quantum dots—tiny semiconductor crystals with diameters measured in billionths of a meter—have enormous potential for applications that make use of their ability to absorb or emit light and/or electric charges. ...

dateDec 18, 2013 in Nanophysics
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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 displays, which ...

dateNov 08, 2013 in Materials Science
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