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Miracle light: Can lasers solve the energy crisis?

Technology / Energy

created Dec 15, 2009 | popularity 4.3 / 5 (12) | comments 3

Next year will mark the 50th birthday of the laser, one of the most productive and widely used mega-inventions of the last century. Scientists hope that 2010 also will see the launch of laser technology's greatest challenge: ...


New structure could produce efficient semiconductor laser sources

New structure could produce efficient semiconductor laser sources

Physics / General Physics

created Dec 14, 2009 | popularity 4.7 / 5 (3) | comments 1

(PhysOrg.com) -- University of Wisconsin-Madison researchers have achieved a nanoscale laser structure they anticipate will produce semiconductor lasers in the next two years that are more than twice as efficient ...


Caltech scientists film photons with electrons

Caltech scientists film photons with electrons

Physics / General Physics

created Dec 16, 2009 | popularity 4.8 / 5 (18) | comments 0

(PhysOrg.com) -- Techniques recently invented by researchers at the California Institute of Technology -- which allow the real-time, real-space visualization of fleeting changes in the structure of nanoscale ...


Steroid injections may slow diabetes-related eye disease

Medicine & Health / Diseases

created Dec 15, 2009 | popularity not rated yet | comments 0

Injecting the corticosteroid triamcinolone into the eye may slow the progression of diabetic retinopathy, a complication of diabetes that can cause vision loss and blindness, according to a report in the December issue of ...


Whose Tattoo Is It Anyway?

Whose Tattoo Is It Anyway?

Other Sciences / Other

created Dec 14, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- An infra-red digital camera could be a crucial tool in the fight against crime when trying to identify suspects by their tattoos, according to new University of Derby research.


Physicists lay the groundwork for cooler, faster computing

Physics / Optics & Photonics

created Dec 14, 2009 | popularity 4.7 / 5 (24) | comments 5

University of Toronto quantum optics researchers Sajeev John and Xun Ma have discovered new behaviours of light within photonic crystals that could lead to faster optical information processing and compact computers that ...


Looking for the heartbeat of cellular networks

Biology / Cell & Microbiology

created Dec 16, 2009 | popularity not rated yet | comments 0

Our cells' molecules form an intricate network of interactions. Today's techniques, however, can only be used to measure individual molecular reactions outside the cells. Since molecular concentrations are much higher in ...


AOptix Technologies and NuCrypt demonstrate physical-layer quantum encryption

Physics / General Physics

created Dec 14, 2009 | popularity 4.2 / 5 (5) | comments 0

AOptix Technologies, a leading edge developer of ultra-high bandwidth laser communication solutions, and NuCrypt, a provider of technology for ultra-high security over optical communication networks, disclosed today the recent ...


Slam dunk for future smart robots

Slam dunk for future smart robots

Electronics / Robotics

created Dec 14, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- 'What does the world look like' and 'where am I' are two questions robots must solve if they are to act autonomously in an unknown environment. Work by European researchers will help future ...


Researcher studies the universe through quantum electrodynamics

Physics / Quantum Physics

created 3 hours ago | popularity 3.3 / 5 (3) | comments 0

(PhysOrg.com) -- Fundamental constants, such as the standards for length and mass, are a given in our society. However, research has shown that these constants might be changing slightly with the expansion of the universe.


Researchers find cells move in mysterious ways

Researchers find cells move in mysterious ways (w/ Video)

Biology / Cell & Microbiology

created Dec 16, 2009 | popularity 4 / 5 (2) | comments 0

Our cells are more like us than we may think. They're sensitive to their environment, poking and prodding deliberately at their surroundings with hand-like feelers and chemical signals as they decide whether ...


Within a cell, actin keeps things moving

Within a cell, actin keeps things moving

Chemistry / Biochemistry

created 6 hours ago | popularity not rated yet | comments 0

(PhysOrg.com) -- Using new technology developed in his University of Oregon lab, chemist Andrew H. Marcus and his doctoral student Eric N. Senning have captured what they describe as well-orchestrated, actin-driven, ...


Black Holes in Star Clusters stir up Time and Space

Black Holes in Star Clusters stir up Time and Space (w/ Video)

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.7 / 5 (15) | comments 5

(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...


Scientists Investigate Cause of 'Singing Dunes'

Scientists Investigate Cause of 'Singing Dunes'

Physics / General Physics

created Dec 15, 2009 | popularity 4.3 / 5 (17) | comments 7

(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...


Tracking new cancer-killing particles with MRI

Tracking new cancer-killing particles with MRI

Nanotechnology / Nanomaterials

created Dec 14, 2009 | popularity 5 / 5 (4) | comments 0

Researchers at Rice University and Baylor College of Medicine (BCM) have created a single nanoparticle that can be tracked in real time with MRI as it homes in on cancer cells, tags them with a fluorescent ...