News tagged with light field

A magnetic approach to lattices

(Phys.org) -- JQI experimentalists under the direction of Ian Spielman are in the business of using lasers to create novel environments for neutral atoms. For instance, this research group previously enticed ...

Physics / General Physics

created May 22, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

300,000 times the strength of the Earth's magnetic field: BLADE's new 14 Tesla magnet

The first researchers to use the new high-field superconducting magnet at Diamond Light Source, the UK’s national synchrotron facility, are searching for “hidden magnetic states”. If found, ...

Physics / General Physics

created May 17, 2012 | popularity 4.3 / 5 (19) | comments 4

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 ...

Space & Earth / Astronomy

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

Measuring magnetic fields

(Phys.org) -- Polarized light is a familiar phenomenon, as people who prefer polarized sunglasses can testify. The electric field in a beam of light can vibrate either left-right or up-down, and the scattering ...

Space & Earth / Astronomy

created Apr 09, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Hubble views grand star-forming region

(PhysOrg.com) -- This massive, young stellar grouping, called R136, is only a few million years old and resides in the 30 Doradus Nebula, a turbulent star-birth region in the Large Magellanic Cloud, a satellite ...

Space & Earth / Astronomy

created Mar 09, 2012 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Gravitational lens reveals details of distant, ancient galaxy

Thanks to the presence of a natural "zoom lens" in space, University of Chicago scientists working with NASA's Hubble Space Telescope have obtained a uniquely close-up look at the brightest gravitationally ...

Space & Earth / Astronomy

created Mar 08, 2012 | popularity 4.6 / 5 (21) | comments 29 | with audio podcast

Solar storm not nearly as bad as could have been (Update 2)

Our high-tech world seems to have weathered a solar storm that was still showing signs of life late Thursday.

Space & Earth / Space Exploration

created Mar 08, 2012 | popularity 4 / 5 (4) | comments 1

In distance space, a water world: Hubble reveals a new class of extrasolar planet

(PhysOrg.com) -- An international team of astronomers led by Zachory Berta of the Harvard-Smithsonian Center for Astrophysics (CfA) made the observations of the planet GJ 1214b.

Space & Earth / Astronomy

created Feb 21, 2012 | popularity 4.8 / 5 (24) | comments 24 | with audio podcast

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