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Recent News and Articles on the Keywords: major + physics + understanding  Related to the article below (Last Update: 5/13/2008)

A new captain boldly goes
MSNBC - May 9, 2008
The inspiration for Perimeter, of course, came from the understanding and appreciation of the importance of physics to the industry I'm involved in. ...
Talking Point
environmentalresearchweb (subscription), UK -
In order to improve the numerical models, therefore, our understanding of the physics of basal sliding and the water systems that form at the beds of ...
MLB.com Gameday and Baseball Analysis: State Of F/X
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Mover and Sheika
Conde Nast Portfolio, NY -
She enrolled in a language school in Britain and soon moved on to study physics and math. Her brothers persuaded her to swap Britain for the US West Coast. ...
Schools lose in White House race
BBC News, UK - May 9, 2008
Like students of Physics and chemistry its better to pay 100 students who will have the potential and creativity to get firsts then 1000 average students ...
Understanding RFID: Part 7: System Components
RFID News, FL - May 5, 2008
The RF reader will broker the data and manage the physics of the hardware solution set. Typically, reader properties are configurable, giving the reader ...
Phasers, force fields, teleportation and time travel
Telegraph.co.uk, United Kingdom - Apr 25, 2008
Kaku, now Professor of Theoretical Physics at the City University of New York, was once like the hero of Sliders. Equally inspired by the sci-fi he devoured ...
Life as a Physics Student
Statesman, NY - Apr 28, 2008
To me, this has become the true science behind being a physics major. This plan of attack didn't come to me overnight, nor was I its sole creator. ...
Exotic Quantum State Of Matter Discovered
Science Daily (press release) - Apr 24, 2008
"This remarkable experiment is a major home run for the Princeton team," said Phuan Ong, a Princeton professor of physics who was not involved in the ...
Physics pioneer Wheeler made science seem magical
The Register-Guard, OR - May 5, 2008
His life spanned a revolutionary era in physics that saw all our ideas on space, time, and the universe completely reworked. Wheeler?s ideas played a major ...
Source: Google News

[BOOK] The Physics of Polymers: Concepts for Understanding Their Structures and Behavior -
GR Strobl - 1997 - books.google.com
... is on the various concepts which have successfully established the present-day
understanding of polymer physics. The focus is on the major phenomena, both in ...

Categorization and representation of physics problems by experts and novices -
MTH Chi, PJ Feltovich, R Glaser - Cognitive Science, 1981 - Elsevier
... not have to gothrough the entire process of "understanding" each problem ... It appears
that the experts classifyaccording to the major physics principle governing ...

[PDF] Force Concept Inventory -
D Hestenes, M Wells, G Swackhamer - The Physics Teacher, 1992 - blue.butler.edu
... that math background is not a major factor in ... in overcoming misconceptions and
understanding Newtonian mechanics are possible in high-school physics. ...

Understanding the energy transfer function of LHCII, the major light-harvesting complex of green … -
H van Amerongen, R van Grondelle - J. Phys. Chem. B, 2001 - pubs.acs.org
... Understanding the Energy Transfer Function of LHCII, the Major Light-Harvesting ... Faculty
of Sciences, Division of Physics and Astronomy, Department of ...

Computer simulations in physics teaching and learning: a case study on students' understanding of … -
A Jimoyiannis, V Komis - Computers & Education, 2001 - Elsevier
... A major research domain in physics education ... powerful modeling environments involving
physics concepts and ... the development of functional understanding of the ...

[BOOK] Geocomplexity and the physics of earthquakes -
JB Rundle, DL Turcotte, W Klein - 2000 - agu.org
... The major focus is on the contributions made to our understanding of the physics
of earthquakes by studies in the new field of GeoComplexity, which deal with ...

Understanding, problem representations, and skill in physics
JH Larkin - Thinking and learning skills, 1985 - books.google.com
... but not in the naive understanding of untrained ... to representations built by PH632,
the physics problem solver ... myself and intended to replicate major steps of ...

[PDF] Statistical physics approach to understanding the multiscale dynamics of earthquake fault systems -
JB Rundle, DL Turcotte, R Shcherbakov, W Klein, C … - Rev. Geophys, 2003 - cse.ucdavis.edu
... casts of future major earthquakes. There are two serious limitations to a purely
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The architecture of Why2-Atlas: A coach for qualitative physics essay writing -
K VanLehn, PW Jordan, CP Rose, D Bhembe, M Bottner … - Proceedings of Intelligent Tutoring Systems Conference, 2002 - Springer
... 3 Discourse-Level Understanding ... we use an abductive theorem prover and a physics
axiom set ... A major challenge for these systems is allowing students to do steps ...

… fluids within porous media: An overview of current understanding and selected complicating factors -
RJ Glass, MJ Nicholl - Geoderma, 1996 - Elsevier
... GEODE Physics of gravity fingering of immiscible fluids within porous media: An
overview of current understanding and selected complicating factors ...

Source: Google Scholar

Major physics breakthrough in understanding supersolidity

University of Alberta physicists take big step forward in understanding possible new state of matter

Physicists at the University of Alberta, in Edmonton, Alberta, Canada, have made a major advance in the understanding of what appears to be a new state of matter.

Working in the highly specialized field of quantum fluids and solids, Prof. John Beamish, chair of the Department of Physics, and PhD student James Day, report their findings in a paper to be published in the science journal Nature on Wednesday, Dec. 6, 2007. Beamish and Day are the only researchers in Canada conducting experimental research in this area of fundamental physics.

At very low temperatures, helium gas turns into a liquid. Put under extreme pressure the liquid turns into a solid. Physicists have been manipulating solid helium so they can study its unusual behaviour.

In 2004, a research team at Penn State university in the United States, led by Dr. Moses Chan, electrified the physics world when it announced that it may have discovered an entirely new state of matter – supersolidity. The team made the discovery by cooling solid helium to an extremely low temperature and oscillating the material at different speeds. They found that the particles behaved in a way not seen before, which suggested it might show the “perpetual flow” seen in superfluids like liquid helium.

Day and Dr. Beamish have taken this research a different direction. In an experiment not done before, they cooled the solid helium and manipulated the material another way – by shearing it elastically. In doing so, they found that the solid behaved in an entirely new and unexpected way – it became much stiffer at the lowest temperatures.

“The experimental results from the University of Alberta are remarkable,” Dr. Chan said. “Namely, Professor Beamish and his student James Day found that the shear modulus of solid helium increases by 20% when it is cooled below 0.25K.

“Furthermore, the temperature dependence of the shear modulus seems to track the period change seen in torsional oscillator. It seems the two phenomena are related and probably have the same mechanical origin.

“This is an important breakthrough since the original discovery,” Chan said.

Other physicists around the world are also studying the implications. Through this discovery, Beamish and Day have significantly added to the body of knowledge about the fundamental states of matter allowed by nature.

###

Contact:
James Day
780-492-3475
jday@phys.ualberta.ca
 
 
 
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