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News tagged with rotation

Experts suggest steps to stop spread of resistant corn rootworms

(Phys.org) -- The discovery that more Western corn rootworms are resistant to the toxin contained in widely planted transgenic corn has sparked a warning that farmers must change tactics or lose a valuable management tool ...

Biology / Ecology

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

Geomagnetic data reveal unusual nature of recent solar minimum

Since the mid-1800s, scientists have been systematically measuring changes in the Earth's magnetic field and the occurrence of geomagnetic activity. Such long- term investigation has uncovered a number of cyclical changes, ...

Space & Earth / Space Exploration

created Mar 19, 2012 | popularity 4.8 / 5 (5) | comments 0

Aircraft of the future could capture and re-use some of their own

Tomorrow's aircraft could contribute to their power needs by harnessing energy from the wheel rotation of their landing gear to generate electricity.

Technology / Energy & Green Tech

created Feb 23, 2012 | popularity 1.8 / 5 (6) | comments 12

Could Venus be shifting gear?

(PhysOrg.com) -- ESA’s Venus Express spacecraft has discovered that our cloud-covered neighbour spins a little slower than previously measured. Peering through the dense atmosphere in the infrared, the ...

Space & Earth / Space Exploration

created Feb 10, 2012 | popularity 5 / 5 (9) | comments 14 | with audio podcast

Manipulating the texture of magnetism

Knowing how to control the combined magnetic properties of interacting electrons will provide the basis to develop an important tool for advancing spintronics: a technology that aims to harness these properties ...

Physics / General Physics

created Feb 03, 2012 | popularity 5 / 5 (4) | comments 1

Stellar astrophysics explains the behavior of fast rotating neutron stars in binary systems

Pulsars are among the most exotic celestial bodies known. They have diameters of about 20 kilometres, but at the same time roughly the mass of our sun. A sugar-cube sized piece of its ultra-compact matter ...

Space & Earth / Astronomy

created Feb 02, 2012 | popularity 5 / 5 (7) | comments 2 | with audio podcast

Loss of planetary tilt could doom alien life

Although winter now grips much of the Northern Hemisphere, those who dislike the cold weather can rest assured that warmer months shall return. This familiar pattern of spring, summer, fall and winter does ...

Space & Earth / Astronomy

created Jan 12, 2012 | popularity 4.1 / 5 (14) | comments 16 | with audio podcast

Fermi telescope explores new energy extremes

(PhysOrg.com) -- After more than three years in space, NASA's Fermi Gamma-ray Space Telescope is extending its view of the high-energy sky into a largely unexplored electromagnetic range. Today, the Fermi ...

Space & Earth / Astronomy

created Jan 10, 2012 | popularity 4.9 / 5 (17) | comments 0 | with audio podcast

A new way to measure Earth's magnetosphere

US researchers have demonstrated the potential use of a new way to measure properties of Earth's magnetosphere, the magnetic bubble that surrounds the planet.

Space & Earth / Earth Sciences

created Jan 04, 2012 | popularity 5 / 5 (2) | comments 1

Sunn hemp shows promise as biofuel source

Work by scientists at the U.S. Department of Agriculture (USDA) suggests that farmers in the Southeast could use the tropical legume sunn hemp (Crotalaria juncea) in their crop rotations by harvesting the ...

Biology / Biotechnology

created Jan 04, 2012 | popularity not rated yet | comments 0

Cassini data shows Saturn moon may affect planet's magnetosphere

Scientists have been puzzled by periodic bursts of radiation, known as the Saturn kilometric radiation (SKR), that occur in the planet's magnetosphere. These emissions occur at a rate that is close to, but ...

Space & Earth / Space Exploration

created Dec 31, 2011 | popularity not rated yet | comments 0

First ever direct measurement of the Earth's rotation

A group with researchers of the Technical University of Munich, Germany, are the first to plot changes in the Earth's axis through laboratory measurements. To do this, they constructed the world's most stable ...

Physics / General Physics

created Dec 22, 2011 | popularity 4.8 / 5 (9) | comments 12 | with audio podcast

Unexpected connection: Rotation reversal tied to energy confinement saturation

Research on the Alcator C-Mod experiment at MIT has made an unexpected connection between two seemingly unrelated but important phenomena observed in tokamak plasmas: spontaneous plasma rotation and the global ...

Physics / Plasma Physics

created Nov 11, 2011 | popularity 4.8 / 5 (5) | comments 1

9 new gamma pulsars

Pulsars are the lighthouses of the universe. These compact and fast-rotating neutron stars flash many times per second in the radio or gamma-ray band. Pure gamma-ray pulsars are extremely difficult to find ...

Space & Earth / Astronomy

created Nov 03, 2011 | popularity 4 / 5 (1) | comments 3 | with audio podcast

Carbon nanotube muscles generate giant twist for novel motors

New artificial muscles that twist like the trunk of an elephant, but provide a thousand times higher rotation per length, were announced on Oct. 13 for a publication in Science magazine by a team of resear ...

Nanotechnology / Nanophysics

created Oct 13, 2011 | popularity 5 / 5 (6) | comments 5 | with audio podcast