News tagged with light field

Do black holes help stars form?

(PhysOrg.com) -- The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around ...

Space & Earth / Astronomy

created Feb 03, 2012 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

Physics team calculates that graphene disks could be complete optical absorbers

(PhysOrg.com) -- In optical devices designed and used to collect light, there has always been a loss of light due to reflection, now, new research by a team of physicists from Spain and England has found, ...

Nanotechnology / Nanophysics

created Feb 01, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast report

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 ...

Biology / Plants & Animals

created Jan 17, 2012 | popularity 4.6 / 5 (5) | comments 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 ...

Technology / Software

created Jan 13, 2012 | popularity not rated yet | comments 0

Rare ultra-blue stars found in neighboring galaxy's hub

(PhysOrg.com) -- Peering deep inside the hub of the neighboring Andromeda galaxy, NASA's Hubble Space Telescope has uncovered a large, rare population of hot, bright stars.

Space & Earth / Astronomy

created Jan 11, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Light control technique could lead to tunable lighting and displays

(PhysOrg.com) -- Over the past several years, organic light-emitting diodes (OLEDs) have become a popular light source due to their advantages including bright displays, wide viewing angles, and the ability ...

Physics / General Physics

created Jan 11, 2012 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast feature

Hubble pinpoints furthest protocluster of galaxies ever seen

(PhysOrg.com) -- Using the NASA/ESA Hubble Space Telescope, astronomers have uncovered a cluster of galaxies in the initial stages of development, making it the most distant such grouping ever observed in ...

Space & Earth / Astronomy

created Jan 10, 2012 | popularity 4.8 / 5 (12) | comments 42 | with audio podcast

A new way to measure Earth's magnetosphere

US researchers have demonstrated the potential use of a new way to measure properties of Earth's magnetosphere, the magnetic bubble that surrounds the planet.

Space & Earth / Earth Sciences

created Jan 04, 2012 | popularity 5 / 5 (2) | comments 1

New technique makes it easier to etch semiconductors

Creating semiconductor structures for high-end optoelectronic devices just got easier, thanks to University of Illinois researchers.

Nanotechnology / Nanophysics

created Dec 22, 2011 | popularity 3.6 / 5 (5) | comments 3 | with audio podcast

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 ...

Space & Earth / Astronomy

created Dec 13, 2011 | popularity 3.5 / 5 (4) | comments 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 ...

Space & Earth / Earth Sciences

created Nov 23, 2011 | popularity 3.3 / 5 (10) | comments 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 ...

Space & Earth / Astronomy

created Nov 17, 2011 | popularity 5 / 5 (4) | comments 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 ...

Space & Earth / Astronomy

created Nov 03, 2011 | popularity 4.6 / 5 (5) | comments 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 ...

Space & Earth / Astronomy

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

Space telescopes reveal secrets of turbulent black hole

(PhysOrg.com) -- A fleet of spacecraft including NASA's Hubble Space Telescope has uncovered unprecedented details in the surroundings of a supermassive black hole. Observations reveal huge bullets of gas ...

Space & Earth / Astronomy

created Sep 29, 2011 | popularity 4.7 / 5 (7) | comments 7 | with audio podcast