News tagged with light field

Magnetic fields help in formation of massive stars

Magnetic fields in massive dark clouds are strong enough to support the regions against collapse due to their own gravity. A study lead by researchers at the Max Planck Institute for Radio Astronomy in Bonn has now shown ...

dateJan 21, 2015 in Astronomy
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What causes the northern lights?

If you live in the high latitudes, like Alaska, or New Zealand, you've probably had a chance to see an aurora. Here in Canada, we call them the Northern Lights or the Aurora Borealis, but the lucky folks in the far southern ...

dateJan 16, 2015 in Space Exploration
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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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Optical 'watermills' control spinning light

Scientists at King's have built on research they conducted last year to achieve previously unseen levels of control over the travelling direction of electromagnetic wave in waveguides and proved that the process works equally ...

dateNov 14, 2014 in Optics & Photonics
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