News tagged with antenna

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ASKAP test finds "monster" black hole

Imagine trying on new pair of spectacles and when glancing around to test them you spot a monster—that's exactly what happened when the ASKAP antennas were turned towards a group of three merging galaxies 1.8 billion light ...

dateMay 04, 2016 in Astronomy
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Chu's Limit—a limit no more

Chu's Limit, a fundamental principle of electromagnetics, dictates that the bandwidth an antenna can function in has a maximum level proportional to the physical size of the antenna—the smaller the antenna, the smaller ...

dateFeb 23, 2017 in Engineering
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Pyramid nanoscale antennas beam light up and down

Researchers from FOM Institute AMOLF and Philips Research have designed and fabricated a new type of nanoscale antenna. The new antennas look like pyramids, rather than the more commonly used straight pillars. The pyramid ...

dateDec 17, 2014 in Nanophysics
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