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 ... | |
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 ... | |
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. | |
A novel X-ray source could be brightest in the world June 20, 2008 | User rating: 4.4 / 5 after 25 vote(s)
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Oscillator projected to increase current brightness by millions of times
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 Scientists discover that protons partner with neutrons more often than with other protons June 18, 2008 | User rating: 4 / 5 after 24 vote(s)
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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 ... | |
Developing better nano-electronics by understanding nonadiabatic effects June 17, 2008 | User rating: 4.3 / 5 after 24 vote(s)
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“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 ... | |
Scientists model molecular switch June 16, 2008 | User rating: 4.7 / 5 after 15 vote(s)
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Michigan Technological University physicist Ranjit Pati and his team have developed a model to explain the mechanism behind computing's elusive Holy Grail, the single molecular switch. | |
 World's Largest Quantum Bell Test Spans Three Swiss Towns June 16, 2008 | User rating: 4.7 / 5 after 114 vote(s)
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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)
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“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 ... | |
Nuisance noise silenced by an acoustic cloak June 13, 2008 | User rating: 4.6 / 5 after 27 vote(s)
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Researchers in Spain have proven that metamaterials, materials defined by their unusual man-made cellular structure, can be designed to produce an acoustic cloak - a cloak that can make objects impervious to sound waves, ... | |
 Physicists produce quantum-entangled images June 12, 2008 | User rating: 4.6 / 5 after 53 vote(s)
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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 ... | |
 Can you hear black holes collide? June 11, 2008 | User rating: 4.3 / 5 after 15 vote(s)
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A team of gravitational-wave researchers from four universities has been selected to exhibit at the prestigious Royal Society Summer Science Exhibition. | |
Low-Level Plutonium Sample Involved in NIST-Boulder Lab Incident June 11, 2008 | User rating: 3.5 / 5 after 6 vote(s)
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On Monday afternoon, June 9, researchers in a laboratory room at the Commerce Department's National Institute of Standards and Technology (NIST) campus in Boulder, Colorado discovered that a vial holding about 1/4 of a gram ... | |
Researchers untangle quantum quirk June 11, 2008 | User rating: 4 / 5 after 25 vote(s)
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Quantum computing has been hailed as the next leap forward for computers, promising to catapult memory capacity and processing speeds well beyond current limits. Several challenging problems need to be cracked, however, before ... | |
 Researchers develop a worldwide tourism network June 11, 2008 | User rating: 3.4 / 5 after 33 vote(s)
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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 ... | |
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