News tagged with laser
Related topics: light , laser beam , atoms , wavelength , nature photonics
NASA to demonstrate communications via laser beam
It currently takes 90 minutes to transmit high-resolution images from Mars, but NASA would like to dramatically reduce that time to just minutes. A new optical communications system that NASA plans to demonstrate ...
Space & Earth / Space Exploration
Sep 23, 2011 |
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Nanoscale nonlinear light source created
Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly ...
Sep 22, 2011 |
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Tests under way on the sunshield for Webb telescope
NASA is testing an element of the sunshield that will protect the James Webb Space Telescope's mirrors and instruments during its mission to observe the most distant objects in the universe.
Space & Earth / Space Exploration
Sep 19, 2011 |
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Brightest gamma ray on Earth -- for a safer, healthier world
The brightest gamma ray beam ever created- more than a thousand billion times more brilliant than the sun- has been produced in research led at the University of Strathclyde- and could open up new possibilities ...
Sep 19, 2011 |
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Lasers could be used to detect roadside bombs
A research team at Michigan State University has developed a laser that could detect roadside bombs – the deadliest enemy weapon encountered in Iraq and Afghanistan.
Sep 16, 2011 |
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Quantum behavior with a flash
Just as a camera flash illuminates unseen objects hidden in darkness, a sequence of laser pulses can be used to study the elusive quantum behavior of a large "macroscopic" object. This method provides a novel ...
Sep 16, 2011 |
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Cancer-killing cells are caught on film in more 3D detail than ever before
Scientists reveal in more detail than ever before how white blood cells kill diseased tissue using deadly granules, in research published today in PLoS Biology.
Sep 14, 2011 |
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Improving lasers with microring mirrors
(PhysOrg.com) -- We use lasers everyday, though many of us may not think about it. “Lasers are in a number of consumer products,” Lynford Goddard tells PhysOrg.com. “We have them in DVD players, printers, and in ...
Sep 13, 2011 |
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Researchers at NIF moving closer to fusion ignition point
(PhysOrg.com) -- Researchers at the U.S. National Ignition Facility (NIF) report that they are growing ever closer to reaching the ignition point with their laser generated nuclear fusion project. The facility, ...
Sep 13, 2011 |
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Using lasers to vaporize tissue at multiple points simultaneously
Researchers at Vanderbilt University have developed a new technique that uses a single UV laser pulse to zap away biological tissue at multiple points simultaneously, a method that could help scientists study ...
Sep 13, 2011 |
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Parabolic mirrors concentrate sunlight to power lasers
Legend tells of Greek engineer and inventor Archimedes using parabolic mirrors to create "heat rays" to burn the ships attacking Syracuse. Though the underpinnings of that claim are speculative at best, a modern-day team ...
Sep 12, 2011 |
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Squeezed laser will bring gravitational waves to the light of day
A quantum phenomenon allows detectors which sense oscillations of space-time to measure with 50 percent more accuracy.
Sep 11, 2011 |
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White laser pulses with precisely tailored waveform enable control of electrons in microcosm
(PhysOrg.com) -- An expedition through the fast-paced microscopic world of atoms reveals electrons that spin around at enormous speeds and have gigantic forces are acting on them. Monitoring the ultrafast ...
Sep 09, 2011 |
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New record for measurement of atomic lifetime
Researchers at the Niels Bohr Institute have measured the lifetime of an extremely stable energy level of magnesium atoms with great precision. Magnesium atoms are used in research with ultra-precise atomic ...
Sep 07, 2011 |
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Researchers pioneer novel technique to make plasmonic nanogap arrays
In the quest to exploit unique properties at the nanoscale, scientists at Stevens Institute of Technology have developed a novel technique for creating uniform arrays of metallic nanostructures. A team of faculty and students ...
Sep 06, 2011 |
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