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APS Physics
yesterday at 19:00. Facebook
How do you test the physics of rowing? You could always recruit a crew team from your local university, or perhaps create robots to row the ores for you! Researchers at the Sport Physics group at Ecole Polytechnique in France used robotic rowers to test the effects of oar synchronization, and reported their findings at the Division of Fluid Dynamics Meeting:

Robots Test the Physics of Rowing

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APS Physics
01/14/2017 at 15:00. Facebook
It's the last chance to nominate an important physics landmark to be considered an APS Historic Site! Nominations due tomorrow, January 15, 2017.

Historic Sites Initiative

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APS Physics
01/13/2017 at 20:23. Facebook
As one of the largest APS membership groups, the Division of Fluid Dynamics has a wide range of content to share with it's members. One year ago, a new fluids journal was created, and was added to the Physical Review family. Read about the progress of Physical Review Fluid's inaugural volume and the comments from the editors in this months edition of APS News:

One Year Later: Physical Review Fluids

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APS Physics
01/13/2017 at 16:36. Facebook
Wind power production varies with atmospheric conditions, so engineers would like to better understand wind fluctuations. A new analysis concludes that 100-kilometer-scale atmospheric eddies largely explain the fluctuation data. The results suggest that power from wind farms more than 100 kilometers apart must be combined to smooth out the fluctuations in power delivery.

Synopsis: Gusts in the Wind

physics.aps.org
APS Physics
01/13/2017 at 15:02. Facebook
Though there were early signs of helium behaving in weird ways, it wasn't until January 1938 that Pyotr Kapitsa published his findings of helium II being a superfluid after its discovery in 1937.

This Month in Physics History

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APS Physics
01/12/2017 at 21:00. Facebook
A pair of connected pendulums can move in erratic ways, even though their motion is entirely predictable in principle--a textbook case of classical chaos. Quantum chaos is harder to study, and is not well understood. Now a team has observed a rare case of a many-body quantum system that is chaotic.

Synopsis: Chaos from a Chilled Cloud of Atoms

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APS Physics
01/12/2017 at 19:00. Facebook
Our furry feline friends actually have a secret weapon to keep their fur clean and tidy. Researchers at the Georgia Institute of Technology took an up-close look at the surface of cat tongues, and learned that they are equipped with the ultimate hairbrushes. Learn more about their research from their presentation at the Division of Fluid Dynamics in November 2016:

Cat Tongues Are the Ultimate Detanglers

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APS Physics
01/12/2017 at 17:00. Facebook
Astrophysicists have little doubt about the existence of dark matter, but despite many proposals, they still have no idea what it is made of. The most popular and simple model of a weakly interacting massive particle (WIMP) is getting a major challenge from two large-scale dark matter detection experiments that have recently come up empty.

Viewpoint: Dark Matter Still at Large

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APS Physics
01/12/2017 at 15:00. Facebook
The exclusion principle, stating that no two identical fermion particles can be in the same quantum state, was announced in January 1925 by Wolfgang Pauli and provided for the first time a theoretical basis for the structure of the periodic table of the elements.

This Month in Physics History

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APS Physics
01/11/2017 at 19:00. Facebook
Each year, APS News selects the top ten physics stories that made it into newspapers and onto televisions in the U.S. and across the world. What made the cut for 2016? LIGO made waves in worldwide media with gravitational wave detection, but other glitzy stories cover CERN's first female director, Rosetta's final signal, and new elements in the periodic table:

Top Ten Physics Newsmakers of 2016

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APS Physics
01/11/2017 at 15:00. Facebook
Apply now for the U.S.-India Travel Grant Program before the February 28, 2017 deadline and you'll have a chance to deliver short courses or a lecture series in the other country.

U.S.-India Travel Grant Program

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APS Physics
01/10/2017 at 21:16. Facebook
Gold has many electrons (79), which makes theoretically predicting its properties a major challenge. New calculations account for not only pair-wise and three-way electron interactions, but also quadruple and quintuple interactions. The results agree with experiments far better than previous attempts.

Synopsis: Golden Mystery Solved

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APS Physics
01/10/2017 at 19:00. Facebook
The winning entries of the 2016 Gallery of Fluid Motion are here! Click to learn more about the prize-winning posters and videos from this year's Division of Fluid Dynamics Meeting– featuring dynamics of falling maple seeds, pour paintings, bubble ruptures, and more:

Gallery of Fluid Motion Winners from the 2016 APS Division of Fluid Dynamics Meeting

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APS Physics
01/10/2017 at 15:00. Facebook
Today we remember the father of modern architectural acoustics, Wallace Clement Sabine. Choosing to characterize sound in a room as a diffuse body of energy, instead of the more typical 19th century geometric approach that focused on manipulating the propagation of sound waves, allowed him to focus his investigations on the sound-absorbing properties of various materials and their effect on...
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This Month in Physics History

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APS Physics
01/10/2017 at 04:30. Facebook
Scientists have many questions about lightning at high altitudes, at the tops of storm clouds, where it's hard to get good data. Now an astronaut aboard the International Space Station has produced video showing much more lightning activity than experts expected.

Meetings: An Astronaut’s View of Thunderstorms

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Molecules are much harder to manipulate than atoms because the interactions among atoms within a single molecule complicate the manipulation process. However, these inter-atomic forces can also be exploited as sensitive probes to look for deviations from standard, textbook predictions of phenomena. Now researchers have produced a molecular fountain, which allows hundreds of times longer...
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Viewpoint: What Goes Up Must Come Down

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In this month of APS News, Dr. Skateboard appears on the back page to talk about his radical idea to combine physics, skateboarding, and bicycle motorcross (BMX) stunts. By using sports to teach concepts in STEM, Dr. Skateboard has helped thousands of middle school students nationwide through his program called Action Science:

The Back Page

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At the University of Maryland, researchers discovered a new form of fire combustion, which they named the "blue whirl". The team traveled to the Division of Fluid Dynamics Meeting in November 2016 to share their story of how they found this tiny but "beautiful" reactive flow, which they hope to further study and put to use in remedial oil spill cleanups.

Bemused by the Blue Whirl

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The Internet was invented by physicists, so join us at the Actualization of the Internet of Things April 17-19! Experts in robotics, automation, sensors, algorithms, and physical actuation will all be included in this conference, as well as an open invitation to scientists and engineers from across the technological spectrum to allow cross disciplinary conversations and innovation that will be...
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APS Physics | FIAP | Actualization of the Internet of Things

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Force a fluid through a membrane full of tiny holes, and you can filter out larger particles. But new calculations show that even a mixture of fluids like water and ethyl alcohol could be separated by this procedure under the right conditions. It works because each fluid has a different affinity for the walls of the pore.

Focus: Nanochannel Could Separate Mixed Fluids

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