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Upping the power triggers an ordered helical plasma

Upping the power triggers an ordered helical plasma

Physics / Plasma Physics

created Nov 02, 2009 | popularity 5 / 5 (4) | comments 0

If you keep twisting a straight elastic string, at some moment it starts kinking in a wild way. Something similar occurs when one increases the electrical current flowing in a magnetized plasma doughnut: it ...


High-performance plasmas may make reliable, efficient fusion power a reality

High-performance plasmas may make reliable, efficient fusion power a reality

Physics / Plasma Physics

created Nov 02, 2009 | popularity 4.7 / 5 (40) | comments 47

In the quest to produce nuclear fusion energy, researchers from the DIII-D National Fusion Facility have recently confirmed long-standing theoretical predictions that performance, efficiency and reliability ...


Scientists obtain clearer view of how eye lens proteins are sorted

Biology / Cell & Microbiology

created Nov 03, 2009 | popularity not rated yet | comments 0

New research reveals how proteins that are critical for the transparency of the eye lens are properly sorted and localized in membrane bilayers. The study, published by Cell Press in the November 3rd issue of Biophysical Jo ...


Electron self-injection into an evolving plasma bubble

Electron self-injection into an evolving plasma bubble

Physics / Plasma Physics

created Nov 02, 2009 | popularity 4.8 / 5 (4) | comments 1

Particle accelerators are among the largest and most expensive scientific instruments. Thirty years ago, theorists John Dawson and Toshiki Tajima proposed an idea for making them thousands of times smaller: ...


Bacteria

Plasma produces KO cocktail for MRSA

Physics / General Physics

created Nov 26, 2009 | popularity 4.9 / 5 (14) | comments 3

MRSA (methicillin-resistant Staphylococcus Aureus) and other drug-resistant bacteria could face annihilation as low-temperature plasma prototype devices have been developed to offer safe, quick, easy and un ...


Plasma levels of GGT and ALB and their genetic correlations with cardiovascular risk factors

Medicine & Health / Genetics

created Nov 24, 2009 | popularity not rated yet | comments 0

Two indicators of liver function, Gamma-glutamyl transferase (GGT) and albumin (ALB) have been implicated in the pathogenesis of atherosclerosis. It is known that the variation in the plasma level of these liver related proteins ...


Laser-plasma accelerators ride on Einstein's shoulders

Laser-plasma accelerators ride on Einstein's shoulders

Physics / Plasma Physics

created Nov 02, 2009 | popularity 5 / 5 (21) | comments 0

Using Einstein's theory of special relativity to speedup computer simulations, scientists have designed laser-plasma accelerators with energies of 10 billion electron volts (GeV) and beyond. These systems, ...


Plasma-in-a-bag for sterilizing devices

Physics / General Physics

created Nov 09, 2009 | popularity not rated yet | comments 1

The practice of sterilizing medical tools and devices helped revolutionize health care in the 19th century because it dramatically reduced infections associated with surgery. Through the years, numerous ways of sterilization ...


Genetic analysis helps dissect molecular basis of cardiovascular disease

Medicine & Health / Research

created Nov 20, 2009 | popularity 2 / 5 (1) | comments 0

Using highly precise measurements of plasma lipoprotein concentrations determined by nuclear magnetic resonance spectroscopy (NMR), researchers led by Daniel Chasman at Brigham and Women's Hospital and Harvard Medical School ...


Enhanced plasma shortens time off for injured athletes

Medicine & Health / Other

created Nov 12, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Injured athletes who have their own enriched plasma injected into their bodies are healing faster and spending less time on the bench or on the disabled list.


Ultra-Powerful Laser Reproduces How Star's Jets Travel through Interstellar Space

Ultra-Powerful Laser Reproduces How Star's Jets Travel through Interstellar Space

Physics / General Physics

created Nov 20, 2009 | popularity 4.5 / 5 (8) | comments 0

(PhysOrg.com) -- A multi-trillion-watt laser at the University of Rochester has simulated a stellar jet -- an outpouring of matter from a fledgling star -- with unprecedented realism.


Too much selenium can increase your cholesterol

Medicine & Health / Health

created Nov 12, 2009 | popularity 5 / 5 (2) | comments 0

A new study from the University of Warwick has discovered taking too much of the essential mineral selenium in your diet can increase your cholesterol by almost 10%.


Hoping for a fluorescent basket case: How HIV is assembled and released from infected cells

Biology / Cell & Microbiology

created Nov 12, 2009 | popularity not rated yet | comments 0

Although recent advances have raised hopes that a protective vaccine can be developed, acquired immunodeficiency syndrome (AIDS) remains a major public health problem. Much has been learned about HIV-1, the virus that causes ...


Crashing the size barrier

Crashing the size barrier

Physics / General Physics

created Nov 18, 2009 | popularity 4.5 / 5 (15) | comments 6

Like surfers on monster waves, electrons can ride waves of plasma to very high energies in a very short distance. Scientists have proven that plasma acceleration works. Now they're developing it as a way to ...


Sculptured materials allow multiple channel plasmonic sensors

Physics / Optics & Photonics

created Nov 10, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- Sensors, communications devices and imaging equipment that use a prism and a special form of light -- a surface plasmon-polariton -- may incorporate multiple channels or redundant applications if manufacturers ...