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Rosetta approach on schedule

Rosetta approach on schedule

Space & Earth / Space Exploration

created Nov 06, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- After the trajectory correction manoeuvre on 22 October, Rosetta has lined up on a near-perfect Earth approach path. The manoeuvre was so precise that mission controllers decided not to use ...


'Dropouts' pinpoint earliest galaxies

'Dropouts' pinpoint earliest galaxies

Space & Earth / Astronomy

created Nov 06, 2009 | popularity 4.2 / 5 (10) | comments 13

Astronomers, conducting the broadest survey to date of galaxies from about 800 million years after the Big Bang, have found 22 early galaxies and confirmed the age of one by its characteristic hydrogen signature ...


Newly Discovered Fat Molecule: An Undersea Killer with an Upside

Newly Discovered Fat Molecule: An Undersea Killer with an Upside

Chemistry / Biochemistry

created Nov 05, 2009 | popularity 4.8 / 5 (10) | comments 0

(PhysOrg.com) -- A chemical culprit responsible for the rapid, mysterious death of phytoplankton in the North Atlantic Ocean has been found by collaborating scientists at Rutgers University and the Woods Hole ...


Polycystins : proteins that regulate the cellular barometer

Polycystins : proteins that regulate the cellular barometer

Biology / Cell & Microbiology

created Nov 05, 2009 | popularity not rated yet | comments 0

What is the role of proteins called polycystins in patients with polycystic kidney disease? A team of researchers from CNRS and INSERM, led by Eric Honoré from the Institut de Pharmacologie Moléculaire ...


New Digital 'Electronics' Concept May Continue Moore's Law

New Digital 'Electronics' Concept May Continue Moore's Law

Nanotechnology / Nanophysics

created Nov 05, 2009 | popularity 4.6 / 5 (54) | comments 9

(PhysOrg.com) -- Computers of the future could be operating not on electrons, but on tiny waves traveling through an electron "fluid," if a new proposal is successful. The new circuit design, recently introduced ...


New scientific study indicates that eating quickly is associated with overeating

Medicine & Health / Research

created Nov 04, 2009 | popularity 3 / 5 (1) | comments 0

According to a new study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism (JCEM), eating a meal quickly, as compared to slowly, curtails the release of hormones in the gu ...


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 ...


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 34

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 ...


Electron self-injection into an evolving plasma bubble

Electron self-injection into an evolving plasma bubble

Physics / Plasma Physics

created Nov 02, 2009 | popularity 4.7 / 5 (3) | 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: ...


Where do nanomaterials go in the body?

Nanotechnology / Bio & Medicine

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

Tiny, engineered nanomaterials can already be found in many consumer products, and have been hailed as having widespread future uses in areas ranging from medicine to industrial processes. However, little is known about what ...


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 (19) | 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, ...


Laser accelerated protons to the highest energies so far

Researchers use trident laser to accelerate protons to record energies

Physics / General Physics

created Nov 02, 2009 | popularity 4.7 / 5 (6) | comments 10

An international team of physicists at Los Alamos National Laboratory has succeeded in using intense laser light to accelerate protons to energies never before achieved. Using this technique, scientists can ...


Solar winds triggered by magnetic fields

Solar winds triggered by magnetic fields

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4.3 / 5 (4) | comments 2

(PhysOrg.com) -- Solar wind generated by the sun is probably driven by a process involving powerful magnetic fields, according to a new study led by UCL (University College London) researchers based on the ...


SMOS, Proba-2 new ESA satellites successfully lofted into orbit

SMOS, Proba-2: Two new ESA satellites successfully lofted into orbit (w/ Video)

Space & Earth / Space Exploration

created Nov 02, 2009 | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- The second satellite in ESA's Earth Explorer series - the Soil Moisture and Ocean Salinity (SMOS) mission - and the second demonstration satellite under ESA's Project for Onboard Autonomy ...