News tagged with radio waves

ALMA's ability to see a 'cosmic hole' confirmed

Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA) successfully imaged a radio "hole" around a galaxy cluster 4.8 billion light-years away. This is the highest resolution image ever taken of such a ...

dateMar 17, 2017 in Astronomy
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Towards mastering terahertz waves?

The terahertz waves span frequency ranges between the infrared spectrum (used, for example, for night vision) and gigahertz waves (which find their application, among other, in Wi-Fi connections). Terahertz waves allow for ...

dateMar 07, 2017 in Optics & Photonics
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Finding the unknowns in the universe

What have pulsars, quasars, dark matter and dark energy got in common? Answer: each of them took the discoverer by surprise. While much of science advances carefully and methodically, the majority of truly spectacular discoveries ...

dateDec 13, 2016 in Astronomy
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ALMA measures size of seeds of planets

Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA), have for the first time, achieved a precise size measurement of small dust particles around a young star through radio-wave polarization. ALMA's high ...

dateDec 05, 2016 in Astronomy
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Researchers make one-way street for light

Researchers at FOM institute AMOLF and the University of Texas at Austin have created a compact one-way street for light. That is remarkable because light waves can generally move in both directions inside a material. Optical ...

dateNov 29, 2016 in Optics & Photonics
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