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'Metamaterials,' quantum dots show promise for new technologies

(Phys.org) -- Researchers are edging toward the creation of new optical technologies using "nanostructured metamaterials" capable of ultra-efficient transmission of light, with potential applications including ...

Nanotechnology / Nanophysics

created May 24, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Efficient and tunable interface for quantum networks

(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...

Physics / Quantum Physics

created May 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Computer model used to pinpoint prime materials for efficient carbon capture

When power plants begin capturing their carbon emissions to reduce greenhouse gases – and to most in the electric power industry, it's a question of when, not if – it will be an expensive undertaking.

Chemistry / Materials Science

created May 27, 2012 | popularity 5 / 5 (1) | comments 2 | with audio podcast

New CO2-removing catalyst can take the heat

(Phys.org) -- The current method of removing the greenhouse gas carbon dioxide (CO2) from the flues of coal-fired power plants uses so much energy that no one bothers to use it. So says Roger Aines, principal ...

Chemistry / Materials Science

created May 24, 2012 | popularity 5 / 5 (9) | comments 13 | with audio podcast

Excitons: Exotic particles, chilled and trapped, form giant matter wave

Physicists have trapped and cooled exotic particles called excitons so effectively that they condensed and cohered to form a giant matter wave.

Physics / General Physics

created May 24, 2012 | popularity 4.9 / 5 (9) | comments 1 | with audio podcast

Good vibes: Coupling electron spin states and carbon nanotube vibrations

(Phys.org) -- An electron’s spin is separate from its motion, and is suitable for use in both highly-precise magnetic sensing as well as a qubit in quantum computing. Recently, scientists at the University ...

Physics / General Physics

created May 23, 2012 | popularity 4.7 / 5 (7) | comments 1 | with audio podcast feature

Sequence it ... and they will come

Rapid DNA sequencing may soon become a routine part of each individual’s medical record, providing enormous information previously sequestered in the human genome’s 3 billion nucleotide bases. This ...

Nanotechnology / Bio & Medicine

created May 22, 2012 | popularity 4 / 5 (7) | comments 0

Quantum computing: The light at the end of the tunnel may be a single photon

Quantum physics promises faster and more powerful computers, but quantum versions of basic logic functions are still needed to bring this technology to fruition. Researchers from the University of Cambridge and Toshiba Research ...

Physics / Quantum Physics

created May 18, 2012 | popularity 4.5 / 5 (6) | comments 1 | with audio podcast

Quantum computer leap

(Phys.org) -- The main technical difficulty in building a quantum computer could soon be the thing that makes it possible to build one, according to new research from The Australian National University.

Physics / Quantum Physics

created May 18, 2012 | popularity 4.6 / 5 (14) | comments 29 | with audio podcast

Nanomedicine: Quantum dots appear safe in pioneering study on primates

A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases ...

Nanotechnology / Bio & Medicine

created May 20, 2012 | popularity 4.3 / 5 (3) | comments 8 | with audio podcast

New 'metamaterial' practical for optical advances

(Phys.org) -- Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar ...

Physics / Condensed Matter

created May 15, 2012 | popularity 3.9 / 5 (7) | comments 5 | with audio podcast

Researchers demonstrate new way to control nonvolatile magnetic memory devices

(Phys.org) -- Cornell researchers have demonstrated a new strategy for making energy- efficient, reliable nonvolatile magnetic memory devices -- which retain information without electric power.

Physics / General Physics

created May 07, 2012 | popularity not rated yet | comments 1 | with audio podcast

Simplicity and quantum complexity

Simulations of reality would require less memory on a quantum computer than on a classical computer, new research from scientists at the University of Bristol, published in Nature Communications, has shown.

Physics / Quantum Physics

created May 04, 2012 | popularity 4.5 / 5 (8) | comments 11 | with audio podcast

Research breakthrough takes supercomputing out of the lab

In the age of high-speed computing, the photon is king. However, producing the finely tuned particles of light is a complex and time-consuming process, until now.

Physics / Quantum Physics

created Apr 30, 2012 | popularity 4.8 / 5 (12) | comments 18 | with audio podcast

X-ray laser uncovers secrets of complex oxide material

(Phys.org) -- An international team of researchers has used SLAC’s Linac Coherent Light Source (LCLS) to discover never-before-seen behavior by electrons in complex materials with extraordinary properties.

Physics / Condensed Matter

created May 17, 2012 | popularity 5 / 5 (4) | comments 7 | with audio podcast