News tagged with review letters

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Physicists lay the groundwork for cooler, faster computing

Physics / Optics & Photonics

created Dec 14, 2009 | popularity 4.7 / 5 (23) | comments 5

University of Toronto quantum optics researchers Sajeev John and Xun Ma have discovered new behaviours of light within photonic crystals that could lead to faster optical information processing and compact computers that ...


Proton's party pals may alter its internal structure

Proton's party pals may alter its internal structure

Physics / General Physics

created Nov 18, 2009 | popularity 4.6 / 5 (20) | comments 9

A recent experiment at the DOE's Thomas Jefferson National Accelerator Facility has found that a proton's nearest neighbors in the nucleus of the atom may modify the proton's internal structure.


Nanoimaging in 3-D

Nanoimaging in 3-D

Physics / General Physics

created Dec 01, 2009 | popularity 4.9 / 5 (14) | comments 0

(PhysOrg.com) -- As technology shrinks ever smaller, interest in objects and devices on the nanoscale becomes more apparent. However, visualizing these objects in three dimensions comes with special challenges. ...


Using lasers to cool and manipulate molecules

Using lasers to cool and manipulate molecules

Physics / General Physics

created Dec 07, 2009 | popularity 4.8 / 5 (13) | comments 0

(PhysOrg.com) -- "For years, we have been using laser cooling to trap and manipulate atoms," David DeMille tells PhysOrg.com. "This has been very useful for both basic science and many applications. Recent ...


Theorists propose a new way to shine -- and a new kind of star

Physics / General Physics

created Dec 14, 2009 | popularity 4.5 / 5 (11) | comments 3

Dying, for stars, has just gotten more complicated. For some stellar objects, the final phase before or instead of collapsing into a black hole may be what a group of physicists is calling an electroweak star.


Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory

Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory

Physics / Quantum Physics

created 45 minutes ago | popularity 5 / 5 (3) | comments 1

(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...


Rice ties in race for atomic-scale breakthrough

Physics / Quantum Physics

created Nov 17, 2009 | popularity 4.7 / 5 (3) | comments 0

Everybody loves a race to the wire, even when the result is a tie. The great irony is the ultraprecise clocks that could result from this competition could probably break any tie.


Super cool atom thermometer

Super cool atom thermometer

Physics / General Physics

created Dec 07, 2009 | popularity 5 / 5 (2) | comments 0

As physicists strive to cool atoms down to ever more frigid temperatures, they face the daunting task of developing new, reliable ways of measuring these extreme lows. Now a team of physicists has devised ...


Tapering a Free-Electron Laser to Extract More Juice

Tapering a Free-Electron Laser to Extract More Juice

Physics / General Physics

created Nov 20, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Researchers from the NSLS and Science Applications International Corporation (SAIC) have demonstrated a technique that could be used to significantly improve the quantity and quality of light ...


Highlight: Solar - Bridging the gap

Physics / General Physics

created Dec 10, 2009 | popularity 2 / 5 (2) | comments 0

(PhysOrg.com) -- Titanium dioxide, the same inexpensive white pigment that protects us from sunburns, can be converted into a material that absorbs sunlight and could greatly increase the efficiency of solar energy cells.