Looking for the quantum properties of the Big Bang June 13, 2008 | User rating: 4.3 / 5 after 61 vote(s)
| User comments: 7
“General relativity doesn’t recognize quantum physics,” Martin Bojowald tells PhysOrg.com. And that, he insists, causes problems when it comes to understanding the evolution of the universe from the Big Bang: “You ... | |
Invisible Waves Shape Continental Slope, Researcher Says June 30, 2008 | User rating: 3.8 / 5 after 17 vote(s)
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A class of powerful, invisible waves hidden beneath the surface of the ocean can shape the underwater edges of continents and contribute to ocean mixing and climate, researchers from The University of Texas at Austin have ... | |
New technology may help Olympic sailing June 30, 2008 | User rating: 4.2 / 5 after 6 vote(s)
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A team of researchers at the Ocean University of China has developed and tested a mobile lidar (light detection and ranging) station that can accurately measure wind speed and direction over large areas in real time -- an ... | |
 Liquid Crystals Slow Light Pulses to a Snail's Pace June 10, 2008 | User rating: 4.6 / 5 after 91 vote(s)
| User comments: 13
In a vacuum, the speed of a light pulse is always a constant at 186,000 miles (300,000 km) per second. But by changing the medium through which light travels, physicists can slow down light pulses, and possibly ... | |
 Researchers develop a worldwide tourism network June 11, 2008 | User rating: 3.4 / 5 after 33 vote(s)
| User comments: 3
It wasn't too long ago in human history that people rarely, if ever, traveled beyond the village they were born in. We've come a long way since then: according to the World Tourism Organization (WTO), international ... | |
A novel X-ray source could be brightest in the world June 20, 2008 | User rating: 4.4 / 5 after 25 vote(s)
| User comments: 2
Oscillator projected to increase current brightness by millions of times
| |
 Can we freeze time? Using lasers to film the secret lives of atoms -- frame by frame July 01, 2008 | User rating: 4.4 / 5 after 20 vote(s)
| User comments: 1
Cutting edge laser 'cameras' which can film the super-fast movements of electrons inside materials are the subject of an Imperial College exhibit at the Royal Society Summer Science Exhibition 2008, which ... | |
Can silver nanoparticles be the key to a more compact laser? June 09, 2008 | User rating: 4.4 / 5 after 21 vote(s)
| User comments: 3
“In random media, multiple scattering and interference reduce the diffusion of light, and in case of extremely strong scattering, photon localization, or Anderson localization of light, is predicted like electrons in glasses,” ... | |
Chasing rainbows June 27, 2008 | User rating: 4.3 / 5 after 12 vote(s)
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Engineers working in optical communications bear more than a passing resemblance to dreamers chasing rainbows. They may not wish literally to capture all the colors of the spectrum, but they do seek to control the rate at ... | |
 'Squeezed' Light May Improve Gravitational Wave Detectors June 05, 2008 | User rating: 4.6 / 5 after 54 vote(s)
| User comments: 20
A research collaboration has taken steps toward improving the sensitivity of gravitational wave detectors, devices designed to measure distance changes as minute as one-thousandth the diameter of a proton. ... | |
 Scientists discover that protons partner with neutrons more often than with other protons June 18, 2008 | User rating: 4 / 5 after 24 vote(s)
| User comments: 6
Fast-moving protons are much more likely to pair up with fast-moving neutrons than with other protons in the nuclei of atoms, according to a recent experiment performed at the U.S. Department of Energy's Thomas ... | |
Terahertz laser source at room temperature June 03, 2008 | User rating: 4.6 / 5 after 41 vote(s)
| User comments: 1
“There is a growing interest in utilizing terahertz radiation, or T-rays, for a variety of applications,” Mikhail Belkin, a scientist at Harvard University, tells PhysOrg.com. “The terahertz region is a part of the ... | |
 Physicists produce quantum-entangled images June 12, 2008 | User rating: 4.6 / 5 after 53 vote(s)
| User comments: 6
Using a convenient and flexible method for creating twin light beams, researchers at the Joint Quantum Institute of the Commerce Department's National Institute of Standards and Technology and the University ... | |
 A Test of the Copernican Principle May 22, 2008 | User rating: 4.3 / 5 after 93 vote(s)
| User comments: 37
The Copernican principle states that the Earth is not the center of the universe, and that, as observers, we don’t occupy a special place. First stated by Copernicus in the 16th century, today the idea is ... | |
Laser fluorescence could find life on Mars June 23, 2008 | User rating: 4.3 / 5 after 10 vote(s)
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A team of scientists from the United States and the United Kingdom has developed a technique using ultraviolet light to identify organic matter in soils that they say could be used to document the existence of life on Mars. | |
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