News tagged with electrical pulses

Electrons at the speed limit

Electronic components have become faster and faster over the years, thus making powerful computers and other technologies possible. Researchers at ETH Zurich have now investigated how fast electrons can ultimately be controlled ...

dateAug 26, 2016 in General Physics
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Electric eels make leaping attacks

In a legendary account the famous 19th century explorer and naturalist Alexander von Humboldt recounted a dramatic battle between horses and electric eels that he witnessed on a field trip to the Amazon. In the following ...

dateJun 06, 2016 in Plants & Animals
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Cooling chips with the flip of a switch

Turn on an electric field, and a standard electrocaloric material will eject heat to its surroundings as its internal dipoles reorder themselves. Do the same thing, and a negative electrocaloric material will absorb heat, ...

dateApr 05, 2016 in General Physics
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Laser pulse turns glass into a metal

For tiny fractions of a second, quartz glass can take on metallic properties, when it is illuminated be a laser pulse. This has been shown by calculations at the Vienna University of Technology. The effect could be used to ...

dateAug 26, 2014 in Optics & Photonics
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