News tagged with light particles
Let there be light: Teaching magnets to do more than just stick around
Aug 20, 2009 |
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(PhysOrg.com) -- That palm tree magnet commemorating your last vacation is programmed for a simple function - to stick to your refrigerator. Similarly, semiconductors are programmed to convey bits of information small and ...
Scientists develop novel ion trap for sensing force and light
Jul 01, 2009 |
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Miniature devices for trapping ions (electrically charged atoms) are common components in atomic clocks and quantum computing research. Now, a novel ion trap geometry demonstrated at the National Institute ...
Austrian breakthrough in quantum cryptography: Record in the transmission of entangled photon pairs (Update)
May 03, 2009 |
3.7 / 5 (11) |
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Austrian physicists say a breakthrough in next-generation quantum cryptography could allow encrypted messages to be bounced off satellites, the British journal Nature reported Sunday.
When particles are so small that they seep right through skin
Nanotechnology / Bio & Medicine
Sep 30, 2008 |
4 / 5 (47) |
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Scientists are finding that particles that are barely there – tiny objects known as nanoparticles that have found a home in electronics, food containers, sunscreens, and a variety of applications – can breech our most personal ...
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Flipping a photonic shock wave
Nov 02, 2009 |
4.7 / 5 (3) |
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A team of physicists has directly observed a reverse shock wave of light in a specially tailored structure known as a left-handed metamaterial. Although it was first predicted over forty years ago, this is ...
Breakthrough with light could help viral research
Oct 20, 2009 |
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(PhysOrg.com) -- Researchers have developed a method using the force of light to gently trap, manipulate and study tiny, active objects as miniscule as viruses -- opening doors to expanded viral research.
Better Way to Measure Particle Shape Proves Popular
Sep 08, 2009 |
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Tiny particles are pivotal to climate change, public health, and nanotechnology. A significant fraction of these particles are aspherical, yet scientists must routinely assume the particles are spherical to ...
Silver Nanoparticles Give Polymer Solar Cells A Boost
Nanotechnology / Nanomaterials
Oct 05, 2009 |
4.3 / 5 (13) |
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(PhysOrg.com) -- Small bits of metal may play a new role in solar power. Researchers at Ohio State University are experimenting with polymer semiconductors that absorb the sun’s energy and generate electricity. The goal: ...
Integrated optical trap holds particles for on-chip analysis
Jun 30, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- A new type of optical particle trap can be used to manipulate bacteria, viruses and other particles on a chip as part of an integrated optofluidic platform. The optical trap is the latest ...
Large Hadron Collider could test hyperdrive propulsion
Oct 09, 2009 |
4.2 / 5 (29) |
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(PhysOrg.com) -- The world's most powerful particle accelerator, the Large Hadron Collider (LHC), could be used to test the principles behind hyperdrive, a possible future form of spacecraft propulsion that could drive spacecraft ...
Self-destructing messages: Light-reactive coatings make metal nanoparticles into inks for self-erasing paper
Nanotechnology / Nanomaterials
Aug 26, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- Those who like to watch spy movies like “Mission Impossible” are familiar with the self-destructing messages that inform the secret agents of the details of their mission and then dissolve in a puff of smoke. ...
Twinkling Nanostars Improve Optical Imaging of Tumors
Nanotechnology / Bio & Medicine
Sep 25, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Researchers at Purdue University have created magnetically responsive gold nanostars that may offer a new approach to biomedical imaging. The nanostars gyrate when exposed to a rotating magnetic field and ...
Ghostly 'Spokes' Puff Out From Saturn's Ring's (w/ Video)
Space & Earth / Space Exploration
Nov 16, 2009 |
4.5 / 5 (6) |
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(PhysOrg.com) -- Massive, bright clouds of tiny ice particles hover above the darkened rings of Saturn in an image captured by the Cassini spacecraft on Sept. 22, 2009, around the time of Saturn's equinox. ...
Researchers use trident laser to accelerate protons to record energies
Nov 02, 2009 |
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An international team of physicists at Los Alamos National Laboratory has succeeded in using intense laser light to accelerate protons to energies never before achieved. Using this technique, scientists can ...
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