News tagged with polarized light

Invisibility carpet cloak can hide objects from visible light

(PhysOrg.com) -- Most of the invisibility cloaks that have been demonstrated to date conceal objects at frequencies that are not detectable by the human eye. Designing invisibility cloaks that can conceal ...

Physics / General Physics

created Jun 15, 2011 | popularity 5 / 5 (20) | comments 22 | with audio podcast feature

Twisted crystals point way toward active optical materials

(PhysOrg.com) -- A nanoscale game of "now you see it, now you don't" may contribute to the creation of metamaterials with useful optical properties that can be actively controlled, according to scientists ...

Nanotechnology / Nanophysics

created Sep 29, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Mantis shrimp eye could improve high-definition DVDs, holographic technology

(PhysOrg.com) -- The eye of the peacock mantis shrimp has led an international team of researchers to develop a two-part waveplate that could improve CD, DVD, blu-ray and holographic technology, creating even ...

Physics / General Physics

created Jun 24, 2011 | popularity 4.8 / 5 (5) | comments 1 | with audio podcast

Vikings could have steered by polarized light

(PhysOrg.com) -- The Vikings are said to have been able to navigate with the aid of "sunstones" that allowed them to see the sun on cloudy or foggy days. Now scientists in Hungary and Sweden say the sunstones ...

Other Sciences / Archaeology & Fossils

created Feb 03, 2011 | popularity 4.9 / 5 (30) | comments 13 | with audio podcast report

WISE delivers millions of galaxies, stars, asteroids

(PhysOrg.com) -- Astronomers across the globe can now sift through hundreds of millions of galaxies, stars and asteroids collected in the first bundle of data from NASA's Wide-field Infrared Survey Explorer ...

Space & Earth / Astronomy

created Apr 15, 2011 | popularity 5 / 5 (14) | comments 1 | with audio podcast

Beetles stand out using Avatar tech

(PhysOrg.com) -- A new study suggests that jewel scarab beetles find each other -- and hide from their enemies -- using the same technology that creates the 3D effects for the blockbuster movie Avatar.

Biology / Plants & Animals

created Apr 14, 2010 | popularity 4.7 / 5 (11) | comments 4

Mantis shrimps could show us the way to a better DVD

(PhysOrg.com) -- The remarkable eyes of a marine crustacean could inspire the next generation of DVD and CD players, according to a new study from the University of Bristol published today in Nature Photonics.

Physics / Optics & Photonics

created Oct 25, 2009 | popularity 4.9 / 5 (19) | comments 5

Scattered light could reveal alien atmospheres

The light scattered off distant worlds could help reveal details about their atmospheres that no other method could uncover, scientists find.

Space & Earth / Astronomy

created Feb 20, 2012 | popularity 4.8 / 5 (13) | comments 0 | with audio podcast

Physicists map spiraling light to harness untapped data capacity

Physicists with the Institute of Ultrafast Spectroscopy and Lasers (IUSL) at The City College of New York have presented a new way to map spiraling light that could help harness untapped data channels in optical fibers. Increased ...

Physics / General Physics

created Aug 25, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Balloon-based experiment to measure gamma rays 6,500 light years distant

Beginning Sunday, September 18, 2011 at NASA's launch facility in Fort Sumner, New Mexico, space scientists from the University of New Hampshire will attempt to send a balloon up to 130,000 feet with a one-ton ...

Space & Earth / Space Exploration

created Sep 16, 2011 | popularity 4.6 / 5 (5) | comments 18 | with audio podcast

Solar power could get boost from new light absorption design

Solar power may be on the rise, but solar cells are only as efficient as the amount of sunlight they collect. Under the direction of a new professor at Northwestern University's McCormick School of Engineering and Applied ...

Nanotechnology / Nanomaterials

created Nov 02, 2011 | popularity 4.3 / 5 (7) | comments 5 | with audio podcast

Researchers set alarm for incoming space storms

(PhysOrg.com) -- A team of researchers at the University of Alberta in Edmonton has broken new ground in outer space by pinpointing the impact epicentre of an Earthbound space storm as it crashes into the ...

Space & Earth / Space Exploration

created May 27, 2009 | popularity 4.4 / 5 (10) | comments 0

Light vortex: Circularly polarized luminescence from a stirred and gelled solution of dye

(PhysOrg.com) -- Simple stirring can influence light, according to a report presented in the journal Angewandte Chemie by Kunihiko Okano and co-workers. Dye molecules locked in a gel send out “helical” ...

Chemistry / Materials Science

created Oct 26, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Physicists are first to 'squeeze' light to quantum limit

(PhysOrg.com) -- A team of University of Toronto physicists have demonstrated a new technique to squeeze light to the fundamental quantum limit, a finding that has potential applications for high-precision ...

Physics / General Physics

created Jan 02, 2009 | popularity 4.8 / 5 (21) | comments 2

Prototype 'optics table on a chip' places microwave photon in two colors at once

(PhysOrg.com) -- Researchers at the National Institute of Standards and Technology (NIST) have created a tunable superconducting circuit on a chip that can place a single microwave photon (particle of light) ...

Physics / Quantum Physics

created Jul 07, 2011 | popularity 3.5 / 5 (6) | comments 2 | with audio podcast