News tagged with light field

Fruit flies watch the sky to stay on course

Insects, equipped with complex compound eyes, can maintain a constant heading in their travels, some of them for thousands of miles. New research demonstrates that fruit flies keep their bearings by using ...

Jan 17, 2012
4.6 / 5 (5) 1 | with audio podcast

Gadget Watch: Control a PC with body motions

(AP) -- Don't trash your keyboard and mouse just yet. But three companies at the International Consumer Electronics Show demonstrated depth-sensing cameras that let you to control your computer by moving ...

Jan 13, 2012
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Young star rebels against its parent cloud

Despite the celestial colours of this picture, there is nothing peaceful about star forming region Sh 2-106, or S106 for short. A devilish young star, named S106 IR, lies in it and ejects material at high ...

Dec 13, 2011
3.5 / 5 (4) 2

Earth's outer core deprived of oxygen: study

The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen ...

Nov 23, 2011
3.9 / 5 (15) 12 | with audio podcast

Cosmic particle accelerators get things going

(PhysOrg.com) -- ESA's Cluster satellites have discovered that cosmic particle accelerators are more efficient than previously thought. The discovery has revealed the initial stages of acceleration for the ...

Nov 17, 2011
5 / 5 (4) 0 | with audio podcast

Millisecond pulsar in spin mode

Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...

Nov 03, 2011
4.6 / 5 (5) 8 | with audio podcast

Suspects in the quenching of star formation exonerated

Supermassive black holes millions to billions times the mass of our Sun lie at the heart of most, maybe all large galaxies. Some of these power brilliantly luminous, rapidly growing objects called active galactic nuclei that ...

Oct 11, 2011
4.4 / 5 (5) 2 | with audio podcast

Nanoscale nonlinear light source created

Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly ...

Sep 22, 2011
5 / 5 (7) 4 | with audio podcast

A pulsar's mysterious tail

(PhysOrg.com) -- A spinning neutron star is tied to a mysterious tail -- or so it seems. Astronomers using NASA's Chandra X-ray Observatory have found that this pulsar, known as PSR J0357+3205 (or PSR J0357 ...

Jul 14, 2011
4.6 / 5 (7) 4 | with audio podcast