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Nature News
Metamaterials: Photonic Sleight of Hand
Sep 1, 2011 — Invisibility cloaks, perfect imaging, enhanced photovoltaic light collection, all-optical memories and biosensing are just some of the intriguing applications of metamaterials currently grabbing headlines in scientific journals. The field of metamaterials is barely 10 years old. First conceived in 2000 by Sir John Pendry at Imperial College London, metamaterials relied in the early days on advances in nanotechnology to build tiny structures such as metallic rings or wires smaller than t...
Transformation Optics Bends all the Rules
Aug 1, 2011 — From invisibility cloaks to hyperlenses, and photovoltaic concentrators to superresolution microscopy, transformation optics makes big promises. In the same way that water flows can be manipulated using dams and channels, light can be made to...
The Ones to Watch: Nanolasers Are Breaking New Ground – and Fast
Jun 1, 2011 — Rapid advances in nanolaser research are making this area of photonics a very hot topic. Whether tackling high optical losses in nanocavities or achieving room-temperature operation, scientific groups worldwide are helping to bring the nanolaser...
A New Dawn for (Research in) Egypt
Feb 22, 2011 — The historic events in Egypt this month brought together broad swaths of the country’s population, unified in their demands for sweeping reform and the return of freedoms denied them over the course of Hosni Mubarak’s 30-year rule. Among...
Imaging Between a Rock and a Hard Tooth
EVANSTON, Ill., Jan. 20, 2011 — Here’s something to chew on: An imaging technique sensitive enough to be used at the atomic scale has been used for the first time to create 3-D maps of the teeth of chitons – a class of marine mollusks that can literally chew rock...
Holographic Display Adds Movement
TUCSON, Ariz., Nov. 3, 2010 — Holographic imaging technology that can depict a scene in another location and updates every two seconds has been demonstrated for the first time. The technology, known as three-dimensional telepresence, could lead to new applications of holographic...
Scope Reveals New Physics of Graphene
GAITHERSBURG, Md., Sept. 8, 2010 — Using a one-of-a-kind scanning-probe microscope, an international team of researchers discovered that electrons in graphene, which comprise four quantum states, can split into different energies when exposed to extremely low temperatures and...
“Smartdust” shines new light on SERS
XIAMEN, China – Layering dust onto a surface you wish to study may seem counterintuitive, but scientists in China and the US claim that their “smartdust” will enable Raman spectroscopy to be used on any surface. Surface-enhanced Raman scattering...
Black Hole Emits Massive Microquasar
GARCHING, Germany, July 8, 2010 — Combining observations made with the European Southern Observatory’s Very Large Telescope and NASA’s Chandra x-ray telescope, astronomers have uncovered the most powerful pair of jets emitting from a stellar black hole that have ever...
Laser Strips, Hollows Out Atoms
MENLO PARK, Calif., June 30, 2010 — The world’s brightest x-ray source has been used to strip neon atoms of all their electrons, and also to create "hollow" atoms, which are devoid of only their innermost electrons. The first published scientific results from the hard x-ray...
Resolving Individual Light Atoms
OAK RIDGE, Tenn., March 29, 2010 – Using the latest in aberration-corrected electron microscopy, researchers at the US Department of Energy’s Oak Ridge National Laboratory and their colleagues have obtained the first i...
A Few Photons Control Atom
GARCHING, Germany, Dec. 30, 2009 – The motion of a single atom in an optical trap has been controlled by the use of a fast feedback logic loop developed by scientists at the Max Planck Institute of Quantum Optics (MPQ), who also showed that the detection of just a few photons is all...
Molecules Made Mini Lasers
CAMBRIDGE, Mass., Oct. 21, 2009 -- A new optical microscopy technique squeezes photons out of nonfluorescent molecules to provide 3-D images of living cells and tissues for applications in medical imaging and biological research.
Light Travels a One-Way Road
CAMBRIDGE, Mass., Oct. 7, 2009 -- A new magnetic class of photonic crystals developed by physicists at MIT allows electromagnetic waves to flow freely in one direction only, a phenomenon that could lead to photonic devices, such as optical waveguides, with zero scattering loss.
Cells Respond to Laser Light
SAN FRANCISCO, Sept. 15, 2009 – For the first time, researchers have imported a light-controlled “on-off switch” from plants into a mammalian cell to instantly control a variety of cell functions by creating a hybrid protein that causes mouse cells to move in response to laser...
Blink-Free Nanocrystals Made
May 11, 2009 — A new semiconducting nanocrystal that continuously emits light without "blinking" has been developed by scientists and engineers. Potential applications for the device include lasers, brighter LEDs, solar cells, and biological imaging. For more than...
Liquid Telescope Progresses
QUEBEC CITY, June 21, 2007 -- An idea to build a highly reflective liquid-mirror telescope on the moon became a little more practical this week with an international team of researchers' announcement that they have achieved an optics first by successfully vacuum-coating a...
Joan of Arc Relics Exposed as Fakes by Spectrometry
PARIS, April 4, 2007 -- Using techniques including mass, infrared and atomic-emission spectrometry, experts have proven that remains thought to be of St. Joan of Arc are actually those from an Egyptian mummy. The relics kept at a French church and thought to belong to...
Tiny Endoscope Images in 3-D
BOSTON, Oct. 19, 2006 -- By projecting multicolored light from a single optical fiber onto tissue, a newly developed tiny endoscope can for the first time produce three-dimensional, high-definition images of hard-to-reach areas of the body through a probe the width of a...
Physicists Sort Atoms with Laser 'Tweezers'
BONN, Germany, July 14, 2006 -- Using laser "tweezers", physicists have succeeded in sorting up to seven atoms and putting them in a line. The researchers said their method -- which could be used as a memory device that has quantum information stored in strings of equally spaced...
Purdue Bubble Wraps Sonofusion Inquiry Results
WEST LAFAYETTE, Ind., June 21, 2006 -- A Purdue University committee reviewing issues concerning the "bubble fusion" research by one of its professors said yesterday that it has completed its work, but it will not make public the investigation recommendations, including any possible...
Purdue Investigates 'Bubble Fusion' Claims
Mar 9, 2006 — WEST LAFAYETTE, Ind., March 9, 2006 -- In response to concerns raised in the scientific community, Purdue University said in a statement it is investigating the claims of one of its professors that he achieved "tabletop" fusion in collapsing...
Purdue Investigates 'Bubble Fusion' Claims
Mar 9, 2006 — WEST LAFAYETTE, Ind., March 9, 2006 -- In response to concerns raised in the scientific community, Purdue University said in a statement it is investigating the claims of one of its professors that he achieved "tabletop" fusion in collapsing...
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