News tagged with light beams
What will the Large Hadron Collider reveal?
With its successful test run at the end of 2009, the Large Hadron Collider near Geneva, Switzerland, seized the world record for the highest-energy particle collisions created by mankind. We can now reflect ...
Jan 07, 2010 |
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Scientists build world's first anti-laser
More than 50 years after the invention of the laser, scientists at Yale University have built the world's first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly ...
Feb 17, 2011 |
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Scientists move objects across meter-scale distances using only light (w/ Video)
(PhysOrg.com) -- For more than 40 years, scientists have been using the radiation pressure of light to move and manipulate small objects in space. But until now, the movements have always been restricted to ...
Sep 30, 2010 |
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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 ...
Apr 21, 2012 |
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15,000 beams of light: Pens that write with light offer low-cost, rapid nanofabrication capabilities
(PhysOrg.com) -- One Chicago skyline is dazzling enough. Now imagine 15,000 of them.
Aug 01, 2010 |
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Scientists Discover Light Force with 'Push' Power
(PhysOrg.com) -- A team of Yale University researchers has discovered a "repulsive" light force that can be used to control components on silicon microchips, meaning future nanodevices could be controlled ...
Jul 13, 2009 |
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Intel Milestone Confirms Light Beams Can Replace Electronic Signals for Future Computers
(PhysOrg.com) -- Intel today announced an important advance in the quest to use light beams to replace the use of electrons to carry data in and around computers.
Jul 27, 2010 |
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Quantum physics first: Researchers observe single photons in two-slit interferometer experiment
Quantum mechanics is famous for saying that a tree falling in a forest when there's no one there doesn't make a sound. Quantum mechanics also says that if anyone is listening, it interferes with and changes the tree. And ...
Jun 02, 2011 |
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Physicists build highly efficient 'no-waste' laser
A team of University of California, San Diego researchers has built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, "thresholdless" laser that ...
Feb 08, 2012 |
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Physicists Demonstrate Three-Color Entanglement
(PhysOrg.com) -- For the first time, physicists have demonstrated the quantum entanglement of three light beams, all of different wavelengths. Entanglement of two light beams of different wavelengths has already ...
Oct 07, 2009 |
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'Dark Pulse Laser' produces bursts of... almost nothing
In an advance that sounds almost Zen, researchers at the National Institute of Standards and Technology and JILA, a joint institute of NIST and the University of Colorado at Boulder, have demonstrated a new ...
Jun 09, 2010 |
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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 ...
Dec 16, 2009 |
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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.
Oct 28, 2011 |
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Physicists propose quantum entanglement for motion of microscopic objects
Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
Dec 21, 2009 |
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ESO team succeeds in linking telescopes at Paranal Observatory into giant VLT
(PhysOrg.com) -- Researchers working as part of the European Southern Observatory (ESO) at the Cerra Paranal Mountain Observatory in the Atacama Desert in Chile, have succeeded in virtually connecting all ...
Feb 06, 2012 |
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