Archive: 03/30/2006

Probing Question: What heats the earth's core?

Although we crust-dwellers walk on nice cool ground, underneath our feet the Earth is a pretty hot place. Enough heat emanates from the planet's interior to make 200 cups of piping hot coffee per hour for each ...

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Engineers Demonstrate Revolutionary Photonic Technology

Until now much of the investment on equipment to generate, transport and detect signals traveling through optical fiber has revolved around 1.55 micron (infrared) as the standard wavelength for telecommunications. ...

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Tibetan antelope now listed as endangered

The Wildlife Conservation Society is praising a U.S. Fish and Wildlife Service decision to list the Tibetan antelope as an endangered species.

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Using probes to control chemistry - molecule by molecule

Using probes originally designed to detect and image topographical features on surfaces, scientists at the U.S. Department of Energy's Brookhaven National Laboratory have demonstrated the ability to initiate ...

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Magnetism shepherds microlenses to excavate 'nanocavities'

A Duke University engineer is "herding" tiny lenses with magnetic ferrofluids, precisely aligning them so that they focus bursts of light to excavate patterns of cavities on surfaces. Such photolithographically ...

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Measuring Electrical Arcs At the Micrometer Scale

Air is a great insulator—except when it becomes a conductor. Under the right conditions, miniature lightning bolts of electricity will “arc” through the air between two electrically conducting points. ...

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Sewage flows into Lake Michigan

About 800,000 gallons of partially treated sewage accidentally flowed into Lake Michigan during a computer test in Milwaukee.

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Quantum Dot Method Rapidly Identifies Bacteria

A rapid method for detecting and identifying very small numbers of diverse bacteria, from anthrax to E. coli, has been developed by scientists from the National Cancer Institute (NCI) and National Institute of Sta ...

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Scientists discover the Universe's strongest magnetic field

Scientists from The University of Exeter and the International University, Bremen have discovered what is thought to be the strongest magnetic field in the Universe. In a paper in the journal Science, Dr Daniel Price and Pr ...

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Frictionless motion observed in water

Researchers at the University of Southern California and Brown University say they have achieved near-frictionless motion in water by using lasers to spin a molecule like a propeller. Free rotation can occur ...

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Lizard’s ‘third eye’ sheds light on how vision evolved

A primitive third eye found in many types of lizards, used to detect changes in light and dark and to regulate the production of certain hormones, may help explain how vision evolved and how signals are transmitted from the ...

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Feds proposed new fuel economy rules

The federal government has proposed new fuel economy standards for light trucks, including the largest sport utility vehicles.

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