News tagged with light waves

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Hubble studies source of gravitational waves

On Aug. 17, 2017, weak ripples in the fabric of space-time known as gravitational waves washed over Earth. Unlike previously detected gravitational waves, these were accompanied by light, allowing astronomers to pinpoint ...

dateOct 18, 2017 in Astronomy
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Sensing atoms caught in ripples of light

Optical fibers are ubiquitous, carrying light wherever it is needed. These glass tunnels are the high-speed railway of information transit, moving data at incredible speeds over tremendous distances. Fibers are also thin ...

dateSep 27, 2017 in Optics & Photonics
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The fastest light-driven current source

Controlling electronic current is essential to modern electronics, as data and signals are transferred by streams of electrons controlled at high speed. Demands on transmission speeds are also increasing as technology develops. ...

dateSep 26, 2017 in Optics & Photonics
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The beam of invisibility

How do we make an object invisible? Researchers from TU Wien (Vienna), together with colleagues from Greece and the USA, have now developed a new idea for a cloaking technology. A completely opaque material is irradiated ...

dateSep 13, 2017 in Optics & Photonics
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