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Engineer Discovers Why Particles Like Flour Disperse on Liquids

Engineer Discovers Why Particles Like Flour Disperse on Liquids

Physics / General Physics

created 3 hours ago | popularity 4.3 / 5 (6) | comments 0

(PhysOrg.com) -- Even if you are not a cook, you might have wondered why a pinch of flour (or any small particles) thrown into a bowl of water will disperse in a dramatic fashion, radiating outward as if it ...


A line on string theory

A line on string theory

Physics / General Physics

created Nov 12, 2009 | popularity 4.7 / 5 (44) | comments 14

(PhysOrg.com) -- A Harvard theoretical physicist has discussed with scientists at the Large Hadron Collider in Switzerland the possibility that they may discover a theorized "stau" particle, with a lifetime ...


Longer toes eyed as sprinters' edge

Longer toes eyed as sprinters' edge

Biology / Other

created Nov 12, 2009 | popularity 4.5 / 5 (2) | comments 0

(PhysOrg.com) -- Longer toes may give sprinters a leg up on other runners, according to a new study.


New nanocrystalline diamond probes overcome wear

Nanotechnology / Nanophysics

created Nov 10, 2009 | popularity 4.3 / 5 (3) | comments 0

Researchers at the McCormick School of Engineering and Applied Science at Northwestern University have developed, characterized, and modeled a new kind of probe used in atomic force microscopy (AFM), which images, measures, ...


Magnetic nanoparticles to simultaneously diagnose, monitor and treat

Nanotechnology / Bio & Medicine

created Nov 06, 2009 | popularity not rated yet | comments 0

(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 ...


Study reveals a 'missing link' in immune response to disease

Study reveals a 'missing link' in immune response to disease (w/ Video)

Chemistry / Biochemistry

created Nov 02, 2009 | popularity 5 / 5 (1) | comments 0

The immune system's T cells have the unique responsibilities of being both jury and executioner. They examine other cells for signs of disease, including cancers or infections, and, if such evidence is found, ...


Tailoring the optical dipole force for use on molecules

Physics / General Physics

created Oct 29, 2009 | popularity 3.4 / 5 (5) | comments 1

(PhysOrg.com) -- "Scientists have been working with dipole fields for quite some time," Peter Barker tells PhysOrg.com. "However, most of the work is focused on very small particles, like atoms, or on larger particles, such a ...


New robot skier takes to the slopes

New robot skier takes to the slopes (w/ Video)

Electronics / Robotics

created Oct 23, 2009 | popularity 3.5 / 5 (6) | comments 1

(PhysOrg.com) -- A new robot skier has been invented that can be fitted with off-the-shelf skis. This is not the first skiing robot, since Japanese scientists have produced their own (see PhysOrg.com article here), but is bigger and heavie ...


Older workers are the healthy 'survivors' of the workplace

Other Sciences / Social Sciences

created Oct 21, 2009 | popularity not rated yet | comments 0

Experts at The University of Nottingham say our stress levels at work peak when we reach about 50 to 55 years of age and decrease as we head towards retirement.


Scientists find new set of multiferroic materials

Scientists find new set of multiferroic materials

Physics / Condensed Matter

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

(PhysOrg.com) -- The trail to a new multiferroic started with the theories of a U.S. Department of Energy's Argonne National Laboratory scientist and ended with a multidisciplinary collaboration that created ...


Small mechanical forces have big impact on embryonic stem cells

Chemistry / Materials Science

created Oct 18, 2009 | popularity 4 / 5 (4) | comments 0

Applying a small mechanical force to embryonic stem cells could be a new way of coaxing them into a specific direction of differentiation, researchers at the University of Illinois report. Applications for force-directed ...


Super sticky barnacle glue cures like blood clots

Chemistry / Biochemistry

created Oct 16, 2009 | popularity 5 / 5 (8) | comments 0

Barnacles are a big problem for boats. Adhering to the undersides of vessels, carpets of the crustaceans can increase fuel consumption by as much as 25%. Ship owners would love to know how to stop these hitchhikers gluing ...


Quantum-limited Measurement Method for Nanosensors

Quantum-limited Measurement Method for Nanosensors

Physics / Quantum Physics

created Oct 14, 2009 | popularity 4.3 / 5 (4) | comments 0

(PhysOrg.com) -- (PhysOrg.com) -- A team of scientists from the Max Planck Institute of Quantum Optics and the Ludwig Maximilians University have succeeded in applying a novel optical method to nano-mechanical ...


Foresight Institute Announces Feynman Prize Winners

Nanotechnology / Nanophysics

created Oct 08, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- The Foresight Institute, a nanotechnology education and public policy think tank based in Palo Alto, has announced the winners of the prestigious 2009 Foresight Institute Feynman Prizes in Nanotechnology.


Physicists Measure Elusive 'Persistent Current' That Flows Forever

Physicists Measure Elusive 'Persistent Current' That Flows Forever

Physics / General Physics

created Oct 08, 2009 | popularity 4.8 / 5 (58) | comments 16

(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...




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