News tagged with particles
Magnetic nanoparticles to simultaneously diagnose, monitor and treat
Nanotechnology / Bio & Medicine
Nov 06, 2009 |
not rated yet |
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(PhysOrg.com) -- Whether it's magnetic nanoparticles (mNPs) giving an army of 'therapeutically armed' white blood cells direction to invade a deadly tumour's territory, or the use of mNPs to target specific nerve channels ...
How Size Matters For Catalysts: Study Links Size, Activity, Electronic Properties
Nanotechnology / Nanomaterials
Nov 05, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- University of Utah chemists demonstrated the first conclusive link between the size of catalyst particles on a solid surface, their electronic properties and their ability to speed chemical ...
Materials scientists find better model for glass creation
Nov 04, 2009 |
3.5 / 5 (6) |
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(PhysOrg.com) -- Harvard materials scientists have come up with what they believe is a new way to model the formation of glasses, a type of amorphous solid that includes common window glass.
Stars Fueled by Dark Matter Could Hold Secrets to the Universe
Nov 03, 2009 |
4.5 / 5 (51) |
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(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...
High-performance plasmas may make reliable, efficient fusion power a reality
Nov 02, 2009 |
4.7 / 5 (40) |
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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
Nov 02, 2009 |
4.7 / 5 (3) |
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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: ...
'Ultra-primitive' particles found in comet dust
Space & Earth / Space Exploration
Nov 02, 2009 |
5 / 5 (8) |
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Dust samples collected by high-flying aircraft in the upper atmosphere have yielded an unexpectedly rich trove of relicts from the ancient cosmos, report scientists from the Carnegie Institution. The stratospheric ...
Flipping a photonic shock wave
Nov 02, 2009 |
4.7 / 5 (3) |
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A team of physicists has directly observed a reverse shock wave of light in a specially tailored structure known as a left-handed metamaterial. Although it was first predicted over forty years ago, this is ...
Fermi Telescope Detects Gamma-Ray From 'Star Factories' in Other Galaxies
Nov 02, 2009 |
4 / 5 (2) |
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Nearby galaxies undergoing a furious pace of star formation also emit lots of gamma rays, say astronomers using NASA's Fermi Gamma-ray Space Telescope. Two so-called "starburst" galaxies, plus a satellite ...
Starburst galaxy sheds light on longstanding cosmic mystery
Nov 02, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- An international collaboration that includes scientists from the University of Delaware's Bartol Research Institute in the Department of Physics and Astronomy has discovered very-high-energy ...
Creating a six-qubit cluster state
Nov 02, 2009 |
4.6 / 5 (10) |
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(PhysOrg.com) -- Many scientists believe that quantum entanglement is required in order for effective quantum computing. Entanglement takes place when there is a connection that exists between two objects - even when they ...
Interactions with Aerosols Boost Warming Potential of Some Gases
Space & Earth / Earth Sciences
Oct 29, 2009 |
3.2 / 5 (5) |
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(PhysOrg.com) -- For decades, climate scientists have worked to identify and measure key substances -- notably greenhouse gases and aerosol particles -- that affect Earth’s climate. And they’ve been aided ...
Dark matter sleuths to design world's largest WIMP catcher
Oct 29, 2009 |
4 / 5 (6) |
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A team of researchers led by a Case Western Reserve University physicist is planning the world's largest, most sensitive experiment to catch the stuff of dark matter, stuff that's proved way beyond invisible.
Magnetic mixing creates quite a stir (w/ Video)
Oct 27, 2009 |
4.8 / 5 (6) |
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Sandia researchers have developed a process that can mix tiny volumes of liquid, even in complicated spaces.
Particles are back in the LHC
Oct 26, 2009 |
4.6 / 5 (30) |
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During the last weekend (23-25 October) particles have once again entered the LHC after the one-year break that followed the incident of September 2008.
