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News tagged with field

Wireless power could revolutionize highway transportation, researchers say

A Stanford University research team has designed a high-efficiency charging system that uses magnetic fields to wirelessly transmit large electric currents between metal coils placed several feet apart. The ...

Technology / Energy & Green Tech

created Feb 01, 2012 | popularity 4.3 / 5 (27) | comments 66 | with audio podcast

A pocket of star formation

(PhysOrg.com) -- This new view shows a stellar nursery called NGC 3324. It was taken using the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. The intense ultraviolet ...

Space & Earth / Astronomy

created Feb 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

Weightlessness weighs heavy on genes -- a fly's perspective

On Earth all biology is subjected to gravity. Some biological systems require gravity for correct orientation (geotropism: plants grow up, roots grow down). In the absence of gravity even human biology is affected: astronauts ...

Biology / Biotechnology

created Jan 31, 2012 | popularity 3.5 / 5 (2) | comments 0

Study finds 'cool' gas may form and strengthen sunspots

Hydrogen molecules may act as a kind of energy sink that strengthens the magnetic grip that causes sunspots, according to scientists from Hawaii and New Mexico using a new infrared instrument on an old telescope.

Space & Earth / Astronomy

created Jan 31, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

MSU geneticist helps find butterfly gene, clue to age-old question

(PhysOrg.com) -- Years after sleeping in hammocks in the wilds of Peru and Panama, collecting hundreds of thousands of samples of colorful insects, Mississippi State assistant professor Brian Counterman now ...

Biology / Biotechnology

created Jan 30, 2012 | popularity 4 / 5 (1) | comments 0

Earth's energy budget remained out of balance despite unusually low solar activity

(PhysOrg.com) -- A new NASA study underscores the fact that greenhouse gases generated by human activity -- not changes in solar activity -- are the primary force driving global warming.

Space & Earth / Earth Sciences

created Jan 30, 2012 | popularity 4.1 / 5 (13) | comments 26 | with audio podcast

Ferroelectric switching discovered for first time in soft biological tissue

The heart's inner workings are mysterious, perhaps even more so with a new finding. Engineers at the University of Washington have discovered an electrical property in arteries not seen before in mammalian ...

Physics / General Physics

created Jan 30, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast

Many bodies make one coherent burst of light: Researchers see superfluorescence from solid-state material

In a flash, the world changed for Tim Noe – and for physicists who study what they call many-body problems. The Rice University graduate student was the first to see, in the summer of 2010, proof of a ...

Physics / General Physics

created Jan 30, 2012 | popularity 4.8 / 5 (4) | comments 5 | with audio podcast

Japan studies flora and fauna near Fukushima plant

Japanese scientists are studying how radiation has affected plants and animals living near the crippled Fukushima nuclear plant, according to an official.

Space & Earth / Environment

created Jan 30, 2012 | popularity 4.7 / 5 (3) | comments 0

What drove the lunar dynamo? Moon's molten core was likely sustained by alternative power source

New evidence from an ancient lunar rock suggests that the moon once harbored a long-lived dynamo — a molten, convecting core of liquid metal that generated a strong magnetic field 3.7 billion years ago. ...

Space & Earth / Space Exploration

created Jan 27, 2012 | popularity 4.3 / 5 (13) | comments 3 | with audio podcast

Brazil's Petrobras unit reports oil leak

Transpetro, a subsidiary of Brazil's state-run energy giant Petrobras, said Thursday it had detected an oil leak off the coast of Rio Grande do Sul state but did not know how much had spilled.

Space & Earth / Environment

created Jan 26, 2012 | popularity not rated yet | comments 0

A galactic magnetic field in a lab bolsters astrophysical theory

Why is the universe magnetized? It's a question scientists have been asking for decades. Now, an international team of researchers including a University of Michigan professor have demonstrated that it could ...

Space & Earth / Astronomy

created Jan 25, 2012 | popularity 4.9 / 5 (14) | comments 10 | with audio podcast

Sweeten up your profits with the right hybrid

New University of Illinois sweet corn research shows that higher yield and profitability are possible with greater plant populations of certain hybrids.

Biology / Biotechnology

created Jan 23, 2012 | popularity not rated yet | comments 0

SDO helps measure magnetic fields on the sun's surface

(PhysOrg.com) -- Science nuggets are a collection of early science results, new research techniques, and instrument updates that further our attempt to understand the sun and the dynamic space weather system ...

Space & Earth / Space Exploration

created Jan 20, 2012 | popularity 4.2 / 5 (5) | comments 1 | with audio podcast

Fruit flies watch the sky to stay on course

Insects, equipped with complex compound eyes, can maintain a constant heading in their travels, some of them for thousands of miles. New research demonstrates that fruit flies keep their bearings by using ...

Biology / Plants & Animals

created Jan 17, 2012 | popularity 4.6 / 5 (5) | comments 1 | with audio podcast