News tagged with light field

Chinese scientists create metamaterial black hole

(PhysOrg.com) -- Two physicists in China have used metamaterials to create the first artificial electromagnetic black hole. The scientists, Qiang Cheng and Tie Jun Cui from the Southeast University in Nanjing, ...

Physics / Optics & Photonics

created Oct 16, 2009 | popularity 4.1 / 5 (60) | comments 20 weblog

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 ...

Biology / Plants & Animals

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

Most precise test yet of Einstein's gravitational redshift

(PhysOrg.com) -- While airplane and rocket experiments have proved that gravity makes clocks tick more slowly - a central prediction of Albert Einstein's general theory of relativity - a new experiment in ...

Physics / General Physics

created Feb 17, 2010 | popularity 5 / 5 (33) | comments 10 | with audio podcast

How does the proton get its spin?

(PhysOrg.com) -- At a meeting this week of the American Physical Society in Washington, MIT Associate Professor of Physics Bernd Surrow reported on new results from the STAR experiment at the Relativistic ...

Physics / Quantum Physics

created Feb 17, 2010 | popularity 4.3 / 5 (33) | comments 17 | with audio podcast

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

Physicists Propose Scheme for Teleporting Light Beams

(PhysOrg.com) -- Usually when physicists talk about quantum teleportation, they're referring to the transfer of quantum states from one particle to another without a physical link. Now, physicists have investigated ...

Physics / General Physics

created Jul 14, 2009 | popularity 4.4 / 5 (24) | comments 21 feature

An energy-saving magnetic fridge? Perhaps, but first some basic research

(PhysOrg.com) -- Forget the magnets on your fridge. How about a magnet in your fridge, one that keeps your leftover pizza cold while consuming less energy than today’s refrigerators?

Physics / Condensed Matter

created Jul 05, 2010 | popularity 4.3 / 5 (24) | comments 11 | with audio podcast

Caltech scientists film photons with electrons

(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...

Physics / General Physics

created Dec 16, 2009 | popularity 4.9 / 5 (21) | comments 0

A road of no return: Team implements the first '1-way roads' for light

Light readily bounces off obstacles in its path. Some of these reflections are captured by our eyes, thus participating in the visual perception of the objects around us. In contrast to this usual behavior ...

Physics / Optics & Photonics

created Oct 08, 2009 | popularity 4.7 / 5 (21) | comments 2

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

Researchers analyze the future of transistor-less magnonic logic circuits

(PhysOrg.com) -- As one of the newest research areas today, the field of magnonics is attracting researchers for many reasons, not the least being its possible role in the development of transistor-less logic ...

Physics / General Physics

created Jun 28, 2010 | popularity 4.5 / 5 (18) | comments 2 | with audio podcast feature

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

Tiny nano-electromagnets turn a cloak of invisibility into a possibility

A team of researchers at the FOM institute AMOLF (The Netherlands) has succeeded for the first time in powering an energy transfer between nano-electromagnets with the magnetic field of light.

Physics / General Physics

created Dec 22, 2009 | popularity 4.6 / 5 (15) | comments 10

NASA's WISE Space Telescope Jettisons Its Cover

(PhysOrg.com) -- Engineers and scientists say the maneuver went off without a hitch, and everything is working properly. The mission's "first-light" images of the sky will be released to the public in about ...

Space & Earth / Space Exploration

created Dec 30, 2009 | popularity 4.6 / 5 (15) | comments 0

Scientists discover, visualize exotic electrons on surfaces of unique insulators

(PhysOrg.com) -- In two separate studies, Princeton-led teams of scientists have found a new type of “light-like” electron and visualized for the first time another type that doesn’t bounce back when material imperfections ...

Physics / General Physics

created Aug 10, 2009 | popularity 4.8 / 5 (14) | comments 2