 Are We in the Peak of an Oil Bubble? July 07, 2008 | User rating: 4.3 / 5 after 118 vote(s)
| User comments: 27
Since 2003, worldwide oil prices have quadrupled. According to a new study, the price of oil is rising at a faster-than-exponential rate, and cannot be sustained. In other words, we’re in the midst of an oil ... | |
 Qubits and Branes Share Surprising Features July 03, 2008 | User rating: 4.6 / 5 after 91 vote(s)
| User comments: 7
What do black holes and entangled particles have in common? Until about a year ago, physicists thought that the two entities existed in completely separate worlds. Then, in 2007, physicist Michael Duff from ... | |
An oblivious transfer protocol for quantum cryptography July 01, 2008 | User rating: 4.3 / 5 after 20 vote(s)
| User comments: 2
“It's hard to beat the noise that you have with quantum information,” Barbara Terhal tells PhysOrg.com. “So our security protocol relies on the fact that storing quantum bits noiselessly is hard to do with current technology.” | |
Could better spin injection lead to a quantum information device? June 30, 2008 | User rating: 4.3 / 5 after 19 vote(s)
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One of the more promising types of materials for use in spintronics today is the class of metal alloys known as Heusler alloys. These alloys are named after a German engineer, and might be useful in technology in which electron ... | |
Developing better nano-electronics by understanding nonadiabatic effects June 17, 2008 | User rating: 4.3 / 5 after 24 vote(s)
| User comments: 2
“Basically,” Michele Lazzeri tells PhysOrg.com, “the Born-Oppenheimer adiabatic approximation tells us how atoms are vibrating.” This adiabatic effect is used to describe phonons, which are modes of vibration that ... | |
 World's Largest Quantum Bell Test Spans Three Swiss Towns June 16, 2008 | User rating: 4.7 / 5 after 114 vote(s)
| User comments: 21
In an attempt to rule out any kind of communication between entangled particles, physicists from the University of Geneva have sent two entangled photons traveling to different towns located 18 km apart – ... | |
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 ... | |
 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 ... | |
 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 ... | |
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,” ... | |
 Einstein was right: Unique stellar system provides 'laboratory' for testing relativity July 03, 2008 | User rating: 4.7 / 5 after 70 vote(s)
| User comments: 3
Researchers at McGill University's Department of Physics – along with colleagues from several countries – have confirmed a long-held prediction of Albert Einstein's theory of general relativity, via observations ... | |
Some fundamental interactions of matter found to be fundamentally different than thought July 02, 2008 | User rating: 4.1 / 5 after 55 vote(s)
| User comments: 3
Collisions have consequences. Everyone knows that. Whether it's between trains, planes, automobiles or atoms, there are always repercussions. But while macroscale collisions may have the most obvious effects - mangled steel, ... | |
 Atomic Tug of War July 02, 2008 | User rating: 4.4 / 5 after 35 vote(s)
| User comments: 5
A new form of energy-transfer, reported today in Nature (3 July 2008) may have implications for the study of reactions going on in the atmosphere, and even for those occurring in the body. | |
 Physicists create millimeter-sized 'Bohr atom' July 01, 2008 | User rating: 4.5 / 5 after 57 vote(s)
| User comments: 4
Nearly a century after Danish physicist Niels Bohr offered his planet-like model of the hydrogen atom, a Rice University-led team of physicists has created giant, millimeter-sized atoms that resemble it more ... | |
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
| |
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