News tagged with laser pulses

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'Accelerator on a chip' demonstrated

In an advance that could dramatically shrink particle accelerators for science and medicine, researchers used a laser to accelerate electrons at a rate 10 times higher than conventional technology in a nanostructured ...

Sep 27, 2013
4.7 / 5 (63) 10 | with audio podcast

Understanding a new kind of magnetism

Using low-frequency laser pulses, a team of researchers has carried out the first measurements that reveal the detailed characteristics of a unique kind of magnetism found in a mineral called herbertsmithite.

Sep 23, 2013
4.7 / 5 (49) 4 | with audio podcast

City lights could reveal E.T. civilization

In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...

Nov 03, 2011
4.6 / 5 (29) 54 | with audio podcast

Physicists freeze motion of light for a minute

Physicists in Darmstadt have been able to stop something that has the greatest possible speed and that never really stops. We're talking about light. Already a decade ago, physicists stopped it very for a short moment. In ...

Aug 06, 2013
4.8 / 5 (28) 7 | with audio podcast

First, fast, and faster

(Phys.org) -- Scientists in PML's Quantum Measurement Division have produced the first superluminal light pulses made by using a technique called four-wave mixing, creating two separate pulses whose peaks ...

Apr 06, 2012
4.7 / 5 (26) 33 | with audio podcast

'Nanobubbles' kill cancer cells

(PhysOrg.com) -- Using lasers and nanoparticles, scientists at Rice University have discovered a new technique for singling out individual diseased cells and destroying them with tiny explosions. The scientists used lasers ...

Feb 04, 2010
4.8 / 5 (25) 0 | with audio podcast