News tagged with electrical field

Rare atmospheric phenomenon observed

Cameras operated by the Armagh Observatory have recorded one of the very few observations from the UK and Ireland of a very rare atmospheric phenomenon known as a 'sprite'. The detection, which was made around ...

Jul 31, 2013
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Laser-induced damage in focus

The transformation of infrared light to a different wavelength, such as visible light, is important in many applications. Some of the most efficient semiconductor lasers operate in the infrared region of ...

Jan 17, 2014
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How the sun caused an aurora this week

On the evening of Aug. 20, 2014, the International Space Station was flying past North America when it flew over the dazzling, green blue lights of an aurora. On board, astronaut Reid Wiseman captured this ...

Aug 22, 2014
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Researcher discusses electronic cochlear architecture

Researchers have developed an architecture and digital implementation of an electronic cochlea with an acoustic fovea and address event representation using field programmable gate arrays. Prof. Andreas Andreou of Johns Hopkins ...

Jan 20, 2015
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