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News tagged with beam

Photonics: Beam me up

'Tractor beams' of light that pull objects towards them are no longer science fiction. Haifeng Wang at the A*STAR Data Storage Institute and co-workers have now demonstrated how a tractor beam can in fact be realized on a ...

Physics / General Physics

created May 24, 2012 | popularity 4.6 / 5 (5) | comments 0

New microscope uses rainbow of light to image the flow of individual blood cells

Blood tests convey vital medical information, but the sight of a needle often causes anxiety and results take time. A new device developed by a team of researchers in Israel, however, can reveal much the same ...

Physics / Optics & Photonics

created May 21, 2012 | popularity not rated yet | comments 0 | with audio podcast

Watching an electron being born

Atomic processes take place on extremely short time scales. Measurements at the Vienna University of Technology (TU Vienna) can now visualize these processes.

Physics / General Physics

created May 15, 2012 | popularity 5 / 5 (5) | comments 1

Laser scan at full speed

Is a contact wire missing or is it faulty? What‘s the situation in front of the entrance to a railway station or a tunnel? A 3D laser scanner can increase the train‘s safety and reliability.

Physics / General Physics

created May 10, 2012 | popularity 5 / 5 (2) | comments 0

A new accelerator to study steps on the path to fusion

The just-completed NDCX-II, the second generation Neutralized Drift Compression Experiment at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), is an unusual special-purpose ...

Physics / General Physics

created May 08, 2012 | popularity 4.4 / 5 (7) | comments 1 | with audio podcast

Beamed-up lemon shark shows research promise (w/ Video)

(Phys.org) -- Not everyone is game enough to fit a laser beam on to a shark’s head and live to tell the tale intact, but not everyone is a marine biologist, either. Last month, marine biologist Luke Tipple, ...

Biology / Plants & Animals

created May 06, 2012 | popularity 2.8 / 5 (9) | comments 4 | with audio podcast report

Physicists turn to Maxwell’s equations for self-bending light

(Phys.org) -- Can light self-bend into an arc? Can shape-preserving optical beams truly bend along a circular path? A confident answer emerged in this week’s Physical Review Letters. Researchers at Israel’s Techni ...

Physics / General Physics

created Apr 21, 2012 | popularity 4.8 / 5 (30) | comments 27 | with audio podcast weblog

Sonic screwdriver tightens up fundamental physics

When the scriptwriters for Doctor Who imagined a futuristic device, they came up with the Sonic Screwdriver. Now a team of physicists at the University of Dundee have taken equipment designed for MRI-guided focused ultrasound ...

Physics / General Physics

created Apr 20, 2012 | popularity 4.9 / 5 (12) | comments 0 | with audio podcast

Large Hadron Collider reaches record 1380 proton bunches per beam

In just two weeks of operation in "stable beams" mode, the Large Hadron Collider (LHC) has aready reached 1380 proton bunches per beam, the maximum value set for this year. The number of bunches was increased ...

Physics / General Physics

created Apr 19, 2012 | popularity 4.9 / 5 (10) | comments 2 | with audio podcast

NASA engineers testing Webb telescope's OSIM and BIA instruments

(Phys.org) -- Several critical items related to NASA's next-generation James Webb Space Telescope are being tested in the giant thermal vacuum test chamber at NASA's Goddard Space Flight Center, Greenbelt, ...

Space & Earth / Space Exploration

created Apr 12, 2012 | popularity 5 / 5 (4) | comments 1

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

No-photon laser: Physicists demonstrate 'superradiant' laser design

Physicists at JILA have demonstrated a novel "superradiant" laser design, which has the potential to be 100 to 1,000 times more stable than the best conventional visible lasers. This type of laser could boost ...

Physics / Optics & Photonics

created Apr 04, 2012 | popularity 4.9 / 5 (14) | comments 7 | with audio podcast

Physicists mix two lasers to create light at many frequencies

A team of physicists at UC Santa Barbara has seen the light, and it comes in many different colors. By aiming high- and low-frequency laser beams at a semiconductor, the researchers caused electrons to be ...

Physics / Optics & Photonics

created Mar 28, 2012 | popularity 4.6 / 5 (14) | comments 5 | with audio podcast

Sandia’s Ion Beam Laboratory looks at advanced materials for reactors

(PhysOrg.com) -- Sandia National Laboratories is using its Ion Beam Laboratory (IBL) to study how to rapidly evaluate the tougher advanced materials needed to build the next generation of nuclear reactors ...

Physics / Condensed Matter

created Mar 26, 2012 | popularity 4 / 5 (2) | comments 0

False killer whales use acoustic squint to target prey

Hunting in the ocean's murky depths, vision is of little use, so toothed whales and dolphins (odontocetes) rely on echolocation to locate tasty morsels with incredible precision. Laura Kloepper from the University of Hawaii ...

Biology / Plants & Animals

created Mar 22, 2012 | popularity not rated yet | comments 0

Beam

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