09/11/2011

Switching light on and off - with photons

(PhysOrg.com) -- Cornell researchers have demonstrated that the passage of a light beam through an optical fiber can be controlled by just a few photons of another light beam.

UC chemistry research looks to turn food waste into fuel

Three Department of Chemistry undergraduate researchers recently spent time at the Ho Chi Minh City (HCMC) University of Science, in Vietnam, working on ways to turn food waste into biodiesel fuel. Cody Nubel, Megan McCallister ...

NASA releases radar movie of asteroid 2005 YU55

(PhysOrg.com) -- Scientists working with the 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have generated a short movie clip of asteroid 2005 YU55. The images were generated from data collected ...

Speed-bump device converts traffic energy to electricity

(PhysOrg.com) -- The two little words "speed bump" usually evoke unpleasant memories of spilled coffee and back-seat arguments questioning if and where you learned how to drive. In some green energy circles, speed bumps take ...

Physicists chip away at mystery of antimatter imbalance

(PhysOrg.com) -- Why there is stuff in the universe—more properly, why there is an imbalance between matter and antimatter—is one of the long-standing mysteries of cosmology. A team of researchers working at the ...

You're just one in 7 billion!

(PhysOrg.com) -- Did you take a deep breath before pushing and shoving your way into a crowded train this morning? Stepped on a few toes or nerves perhaps? Phew, well, if you thought dodging elbows and trying to hop on that ...

Frogs skin gives researchers the hop on bacteria

Skin secretions found in Australian frogs may hold the key to designing powerful new antibiotics that are not prone to bacterial resistance in humans, say researchers.

Are electron tweezers possible? Apparently so

(PhysOrg.com) -- Not to pick up electrons, but tweezers made of electrons. A recent paper by researchers from the National Institute of Standards and Technology (NIST) and the University of Virginia (UVA) demonstrates that ...

Fish flu: genetics approach may lead to treatment

(PhysOrg.com) -- A research team at the National Institute of Standards and Technology (NIST) has provided the first look at a genetic structure that may play a critical role in the reproduction of the infectious salmon anemia ...

Web portal Sina posts $336 million quarterly loss

(AP) -- Sina Corp., a popular Chinese web portal operator, sank to a loss in the latest quarter due to writedowns on investments in two online businesses but revenues and microblog traffic were up.

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