News tagged with theoretical prediction

The new world of gamma-ray optics

Scientists discover that certain materials like silicon or gold exhibit a surprisingly large refractive index for extremely high energetic gamma-rays.

Physics / Condensed Matter

created May 14, 2012 | popularity 5 / 5 (6) | comments 0

The lives of stars, or astronomers as paparazzi

Stars live for a long time, with even the most massive stars having lifetimes measured in millions of years. But, for a mere few thousand years towards the end of their lives, some massive stars go through ...

Space & Earth / Astronomy

created Apr 17, 2012 | popularity 5 / 5 (1) | comments 0

Fermions exhibit collective behavior in unexpected situations

Some people like company. Others prefer to be alone. The same holds true for the particles that constitute the matter around us: Some, called bosons, like to act in unison with others. Others, called fermions, have a mind ...

Physics / General Physics

created Mar 29, 2012 | popularity 5 / 5 (7) | comments 1 | with audio podcast

Simulating strongly correlated fermions opens the door to practical superconductor applications

Combining known factors in a new way, theoretical physicists Boris Svistunov and Nikolai Prokof'ev at the University of Massachusetts Amherst, with three alumni of their group, have solved an intractable 50-year-old ...

Physics / General Physics

created Mar 18, 2012 | popularity 4.8 / 5 (13) | comments 5 | with audio podcast

Single-atom transistor is 'perfect'

In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.

Nanotechnology / Nanophysics

created Feb 19, 2012 | popularity 4.9 / 5 (44) | comments 24 | with audio podcast

CMS in 2011: A mountain of particle collision data

Datasets are the currency of physics. As data accumulate, measurement uncertainty ranges shrink, increasing the potential for discoveries and making non-observations more stringent, with more far-reaching ...

Physics / General Physics

created Jan 17, 2012 | popularity 5 / 5 (5) | comments 5

Polymer science team designs new nanotech technique for lower-cost materials repair

(PhysOrg.com) -- In the super-small world of nanostructures, a team of polymer scientists and engineers at the University of Massachusetts Amherst have discovered how to make nano-scale repairs to a damaged ...

Nanotechnology / Nanomaterials

created Jan 12, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

OU researchers to test 'quad porosity simulation' model for shale gas reservoirs

A University of Oklahoma interdisciplinary research team will field test a newly developed 'quad porosity model' for shale gas reservoirs in the next few months. The three-year, $1.5 million project was funded by the Research ...

Space & Earth / Environment

created Jan 11, 2012 | popularity not rated yet | comments 0

On the edge of friction

(PhysOrg.com) -- The problem exists on both a large and a small scale, and it even bothered the ancient Egyptians. However, although physicists have long had a good understanding of friction in things like ...

Physics / Condensed Matter

created Dec 20, 2011 | popularity 4.7 / 5 (6) | comments 3 | with audio podcast

Astronomers find pristine clouds of primordial gas from the early Universe

(PhysOrg.com) -- For the first time, astronomers have found pristine clouds of the primordial gas that formed in the first few minutes after the Big Bang. The composition of the gas matches theoretical predictions, ...

Space & Earth / Astronomy

created Nov 10, 2011 | popularity 4.5 / 5 (15) | comments 22 | with audio podcast

A 2-dimensional electron liquid solidifies in a magnetic field

Physicists from the Georgia Institute of Technology have developed a theory that describes, in a unified manner, the coexistence of liquid and pinned solid phases of electrons in two dimensions under the influence ...

Physics / General Physics

created Nov 04, 2011 | popularity 4.8 / 5 (5) | comments 0 | with audio podcast

Light from galaxy clusters confirms theory of relativity

All observations in astronomy are based on light emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. At the same time all interpretations ...

Space & Earth / Astronomy

created Sep 28, 2011 | popularity 3.6 / 5 (14) | comments 29 | with audio podcast

Nanoscale spin waves can replace microwaves

A group of scientists from the University of Gothenburg and the Royal Institute of Technology (KTH), Sweden, have become the first group in the world to demonstrate that theories about nanoscale spin waves ...

Nanotechnology / Nanophysics

created Sep 07, 2011 | popularity 4.8 / 5 (18) | comments 10 | with audio podcast

A remarkable step toward next-generation energy-conservation

Tohoku University, Osaka University and Japan Science and Technology Agency (JST) announced that they succeeded in directly observing electron spins in a topological insulator. The work has been published in Physical Review Le ...

Physics / General Physics

created Jun 29, 2011 | popularity 4.5 / 5 (4) | comments 1

In Brief: Unmasking elusive hydrogen

Researchers used the SEQUOIA inelastic spectrometer at the Spallation Neutron Source to map the dynamics of hydrogen atoms in a natural crystal of muscovite.

Physics / Condensed Matter

created Jun 24, 2011 | popularity not rated yet | comments 0