News tagged with electric charges

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
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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 ...

dateDec 20, 2013 in Nanophysics
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