News tagged with light particles

Electrons in concert: A simple probe for collective motion in ultracold plasmas

(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...

Physics / Plasma Physics

created Feb 06, 2012 | popularity 4.3 / 5 (6) | comments 0 | with audio podcast

Physicist creates scale model of LHC ATLAS experiment of out LEGO blocks

(PhysOrg.com) -- The Large Hadron Collider at the European Organization for Nuclear Research (CERN) in Switzerland has generated a lot of news of late, e.g. the announcement that a team had found what it believes ...

Physics / General Physics

created Dec 30, 2011 | popularity 3.6 / 5 (17) | comments 19 | with audio podcast report

Plasmonic nanocrosses that heat up when illuminated can be used to kill cancer

Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby ...

Nanotechnology / Bio & Medicine

created Dec 23, 2011 | popularity 5 / 5 (2) | comments 0

U of Toronto experiment named top breakthrough of 2011 by Physics World

Aephraim Steinberg and colleagues at the Centre for Quantum Information and Quantum Control at the University of Toronto had the top physics breakthrough of the year according to Physics World magazine.

Physics / General Physics

created Dec 16, 2011 | popularity 5 / 5 (6) | comments 19

Optical fiber innovation could make future optical computers a 'SNAP'

Optics and photonics may one day revolutionize computer technology with the promise of light-speed calculations. Storing light as memory, however, requires devices known as microresonators, an emerging technology ...

Physics / Optics & Photonics

created Dec 14, 2011 | popularity 5 / 5 (18) | comments 0 | with audio podcast

'Faster-than-light' particles spark science drama

Oh Albert. Did you get it wrong? In 2011, physics was shaken by an experiment which said the Universe's speed limit, enshrined by Einstein in his 1905 theory of special relativity, could be broken.

Physics / General Physics

created Dec 09, 2011 | popularity 4.5 / 5 (31) | comments 82

How to decide who keeps the car: Tossing quantum coins moves closer to reality

Alice and Bob have broken up and have moved as far away from each other as possible. But they still have something to sort out: who gets to keep the car. Flipping a coin while talking on the phone to decide who gets to keep ...

Physics / Quantum Physics

created Nov 29, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Study probes potential link between cancer and a common chemical in consumer products

A study led by a group of Nanyang Technological University (NTU) researchers has found that a chemical commonly used in consumer products can potentially cause cancer.

Nanotechnology / Bio & Medicine

created Nov 29, 2011 | popularity 2 / 5 (2) | comments 1

Blocked holes can enhance rather than stop light going through

Conventional wisdom would say that blocking a hole would prevent light from going through it, but Princeton University engineers have discovered the opposite to be true. A research team has found that placing ...

Physics / Optics & Photonics

created Nov 22, 2011 | popularity 4.7 / 5 (22) | comments 26 | 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

New hybrid detector monitors alpha, beta, and gamma radiation simultaneously

By combining three layers of detection into one new device, a team of researchers from Japan has proposed a new way to monitor radiation levels at power plant accident sites. The device would be more economical that using ...

Physics / General Physics

created Nov 08, 2011 | popularity 4 / 5 (2) | comments 0

The secrets of tunneling through energy barriers

Electrons moving in graphene behave in an unusual way, as demonstrated by 2010 Nobel Prize laureates for physics Andre Geim and Konstantin Novoselov, who performed transport experiments on this one-carbon-atom-thick material. ...

Physics / General Physics

created Nov 07, 2011 | popularity 5 / 5 (4) | comments 10

NASA studying ways to make 'tractor beams' a reality

Tractor beams -- the ability to trap and move objects using laser light -- are the stuff of science fiction, but a team of NASA scientists has won funding to study the concept for remotely capturing planetary ...

Physics / General Physics

created Oct 31, 2011 | popularity 4.3 / 5 (21) | comments 38 | with audio podcast

Elimination of detrimental cross-talks in single-photon detectors pushes quantum optics to new limits

Light and electric current can both be used for computing, albeit with key differences. Whereas conventional computers do logic through the movement of electrons, newer and faster computers called quantum ...

Physics / Optics & Photonics

created Oct 28, 2011 | popularity 4.3 / 5 (3) | comments 0

Scientists take fresh look at 'faster-than-light' experiment

Scientists who threw down the gauntlet to physics by reporting particles that broke the Universe's speed limit said on Friday they were revisiting their contested experiment.

Physics / General Physics

created Oct 28, 2011 | popularity 4.5 / 5 (22) | comments 146