News tagged with light waves

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Graphene found to emit infrared light

(Phys.org) -- Ever since its discovery in 2004, graphene, the honey-comb arranged sheet of one atom thick carbon atoms, has continued to make waves in both the physics and engineering worlds. Now comes news ...

Apr 26, 2012 report
4.5 / 5 (15) 11 | with audio podcast

Astronomers detect coolest radio star

(Phys.org) -- Astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous ...

Apr 18, 2012
4.3 / 5 (3) 6 | with audio podcast

Counting atoms with glass fiber

(PhysOrg.com) -- Glass fiber cables are indispensable for the internet – now they can also be used as a quantum physics lab. The Vienna University of Technology is the only research facility in the world, ...

Dec 07, 2011
5 / 5 (20) 6 | with audio podcast

Using photons to manage data

Managing light to carry computer data, such as text, audio and video, is possible today with laser light beams that are guided along a fibre-optic cable. These waves consist of countless billions of photons, ...

Nov 02, 2011
3.9 / 5 (8) 0