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APS Physics - Weekly NewsBrief
March 12, 2009
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Top Result for Tevatron
from Physics World
An important missing piece of the Standard Model of particle physics has been discovered by researchers at Fermilab in the US, home to the world’s most powerful operational particle collider, the Tevatron. Full Article

Physics Could Unite Plankton
from Science News
Oceanographers have long known that certain species of phytoplankton often form kilometer-wide layers only a few centimeters thick. Now researchers hint that conditions inside the thin layer of water separating a surface current from a deeper one flowing in a different direction can disorient the phytoplankton, disrupting their swim to the surface and causing them to accumulate in profusion at a single depth. Full Article

You Got Special Relativity in my Statistical Thermodynamics
from Ars Technica
A new paper set to be published in Physical Review Letters looks at what happens when one models a statistical thermodynamics system moving at relativistic speeds. The authors ask whether the temperature increases, decreases, or stays the same as you speed up. Full Article

Cannibalistic Jupiter Ate Its Early Moons
from New Scientist
The four Galilean moons have played a key role in the history of science - their discovery by Galileo 400 years ago provided irrefutable evidence that not all bodies orbited the Earth. But until recently, nobody had suspected that Jupiter had once had many more moons. Full Article

Power Source from Human Vibrations
from Physics World
Researchers in Italy are creating mobile electronic devices that “harvest” the energy of natural vibrations inside the human body, which can help power sensors that return information from hard-to-reach locations inside the body. Full Article

Physicists on Wall Street
from New York Times
Known as “quants” because they do quantitative finance, some physicists apply skills they once hoped to use to untangle string theory or the nervous system to making money. Full Article

A Lighter Kilogram
from Discover Magazine
Within a high-security, climate-controlled vault in France, the perfect kilogram is getting ever so slightly less massive and no one knows why. Full Article

Resistance is Futile: Graphene Helps Solve Friction Mystery
from Ars Technica
It may seem a bit strange that something as ubiquitous as friction is not very well understood once friction is examined on a microscopic level. At that level, we are talking about atoms and molecules sliding over each other. But how does this sliding action dissipate energy? A new experiment shows that electron motion in graphene helps explain friction at nanoscopic levels. Full Article





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