04/01/2013

Researchers seek longer battery life for electric locomotive

(Phys.org)—Norfolk Southern Railway No. 999 is the first all-electric, battery-powered locomotive in the United States. But when one of the thousand lead-acid batteries that power it dies, the locomotive shuts down. To ...

Testing Einstein's E=mc2 in outer space

(Phys.org)—University of Arizona physicist Andrei Lebed has stirred the physics community with an intriguing idea yet to be tested experimentally: The world's most iconic equation, Albert Einstein's E=mc2, may be correct ...

New study questions link between warming and past droughts

(Phys.org)—A series of recent droughts from Australia to the United States has led some scientists to warn that global warming has already begun to increase worldwide drought. But new research from Princeton and the Australian ...

Worms hijack development to foster cannibalism, study finds

(Phys.org)—Conventional wisdom holds that genes determine the shape and structure (morphology) of animals, but something else may be at play. A new study shows that a roundworm (P. pacificus) regulates its offspring's morphology ...

Can we accurately model fluid flow in shale?

(Phys.org)—Given that over 20 trillion cubic meters of natural gas, a third of the United States' total reserves, are thought to be trapped in shale, and given the rush to exploit shale oil and gas resources by Australia, ...

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