News tagged with laser alignment
Piece of cake: Arrays of long nanotubes may help measure terahertz laser power
Terahertz radiation can penetrate numerous materials—plastic, clothing, paper and some biological tissues—making it an attractive candidate for applications such as concealed weapons detection, package ...
Jul 19, 2011 |
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New Research Promises Better Atomic Clocks
(PhysOrg.com) -- The most accurate timekeepers in the world are atomic clocks, which tell time based on the absorption of a very specific and unchanging microwave frequency, which induces electrons in an atom to “jump” from ...
Apr 22, 2009 |
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Search results for laser alignment
Nanotube growth theory experimentally confirmed
(PhysOrg.com) -- The Air Force Research Laboratory in Dayton, Ohio, has experimentally confirmed a theory by Rice University Professor Boris Yakobson that foretold a pair of interesting properties about nanotube ...
Nanotechnology / Nanomaterials
Jan 30, 2012 |
4.9 / 5 (10) |
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Nanotube-based terahertz polarizer nears perfection
(PhysOrg.com) -- Researchers at Rice University are using carbon nanotubes as the critical component of a robust terahertz polarizer that could accelerate the development of new security and communication ...
Jan 30, 2012 |
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PhET simulations provide interactive learning tools
(PhysOrg.com) -- What causes a balloon to stick to a sweater? How do microwaves heat coffee? How is electricity generated from a bar magnet?
Other Sciences / Social Sciences
Jan 26, 2012 |
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Researchers develop comprehensive, accessible vision testing device
Eighty-five percent of children's learning is related to vision. Yet in the U.S., 80 percent of children have never had an eye exam or any vision screening before kindergarten, statistics say. When they do, the vision screenings ...
Jan 18, 2012 |
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The world's smallest magnetic data storage unit
Scientists from IBM and the German Center for Free-Electron Laser Science (CFEL) have built the world's smallest magnetic data storage unit. It uses just twelve atoms per bit, the basic unit of information, ...
Jan 12, 2012 |
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On the edge of friction
(PhysOrg.com) -- The problem exists on both a large and a small scale, and it even bothered the ancient Egyptians. However, although physicists have long had a good understanding of friction in things like ...
Dec 20, 2011 |
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Fifth X-ray instrument at LCLS debuts, with a bead on disorderly structures
(PhysOrg.com) -- After five night shifts of shooting pairs of X-ray pulses through soups of fine sand and gold, Aymeric Robert was tired but exhilarated. The first experiment with an instrument he helped bring ...
Dec 14, 2011 |
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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 ...
Dec 14, 2011 |
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Researchers find way to observe, control the way electrons spin on the surface of exotic new materials
Exotic materials called topological insulators, discovered just a few years ago, have yielded some of their secrets to a team of MIT researchers. For the first time, the team showed that light can be used ...
Dec 05, 2011 |
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Making a light-harvesting antenna from scratch
(PhysOrg.com) -- Sometimes when people talk about solar energy, they tacitly assume that we're stuck with some version of the silicon solar cell and its technical and cost limitations. Not so.
Nov 29, 2011 |
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List of search results for laser alignment
