News tagged with light field

Nanoscale waveguide for future photonics

The creation of a new quasiparticle called the "hybrid plasmon polariton" may throw open the doors to integrated photonic circuits and optical computing for the 21st century. Researchers with the U.S. Department ...

May 31, 2011
5 / 5 (4) 1 | with audio podcast

Physicists rotate beams of light

Controlling the rotation of light – this amazing feat was accomplished at the Vienna University of Technology (TU Vienna), by means of a ultra thin semiconductor. This can be used to create a transistor ...

Apr 05, 2011
4.4 / 5 (14) 5

Integral spots matter a millisecond from doom

ESA's Integral gamma-ray observatory has spotted extremely hot matter just a millisecond before it plunges into the oblivion of a black hole. But is it really doomed? These unique observations suggest that ...

Mar 24, 2011
4.8 / 5 (12) 10 | with audio podcast

How often do giant black holes become hyperactive?

(PhysOrg.com) -- A new study from NASA's Chandra X-ray Observatory tells scientists how often the biggest black holes have been active over the last few billion years. This discovery clarifies how supermassive ...

Dec 20, 2010
5 / 5 (7) 19 | with audio podcast

Sensor measures yoctonewton forces fast

(PhysOrg.com) -- Physicists at the National Institute of Standards and Technology have used a small crystal of ions (electrically charged atoms) to detect forces at the scale of yoctonewtons. Measurements ...

Sep 01, 2010
4.8 / 5 (13) 0 | with audio podcast

The superwind galaxy NGC 4666 (w/ Video)

(PhysOrg.com) -- The galaxy NGC 4666 takes pride of place at the centre of this new image, made in visible light with the Wide Field Imager on the MPG/ESO 2.2-meter telescope at the La Silla Observatory in ...

Sep 01, 2010
4.5 / 5 (8) 0 | with audio podcast

Sharp-eyed robins can see magnetic fields

(PhysOrg.com) -- It has been known for decades that some birds are able to sense the Earth's magnetic field and set their direction as if following a compass heading, which is an extremely useful ability for ...

Jul 09, 2010 report
4.6 / 5 (43) 15 | with audio podcast