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Not all quantum properties are lost through interaction with the environment PhysOrg Share    
One of the most well-known "rules" of quantum physics is that all quantum properties are lost due to environmental interaction. This rule, though, may not hold true in all situations. "We have discovered the first counter to this common rule," Sabrina Maniscalco tells PhysOrg.com. Maniscalco is a researcher at the Turku Centre for Quantum Physics, University of Turku in Finland. Along with fellow researcher (and husband) Jyrki Piilo, and Ph.D. student Laura Mazzola, Maniscalco has identified evidence that some quantum correlations can remain intact. Read the associated Physical Review Letters article. More
Supermassive black holes reveal a surprising clue Physics World Share
Astronomers in Germany and the U.S. have uncovered a startling correlation that could provide important insights into how galaxies form and evolve. The scientists found that the bigger the black hole at an elliptical galaxy's center, the more globular star clusters the galaxy has. More 'Light from sound' could spot cancers and terrorists NewScientist Share
Semiconductor devices could one day convert sound into light at terahertz frequencies, a radiation range that can detect skin cancers before they are visible on the surface. Such light could also provide a privacy-protecting alternative to naked body scanners in airports. More Solar scientists agree that the sun's recent behavior is odd, but the explanation remains elusive Scientific American Share
The most recent solar minimum was both long and pronounced. But why? More Secretary Chu postpones China trip to continue work on BP oil spill response efforts R&D Magazine Share
Energy Secretary Steven Chu will postpone a trip to China at the request of President Obama and stay in the country to continue his work on response efforts to the BP oil spill. More
Study investigates craters formed by raindrops PhysOrg Share
If two raindrops strike dry sand at different speeds, you might expect the faster moving raindrop to leave a bigger dent. But according to the May 28 Physical Review Letters, that isn't necessarily true. Read the associated Physical Review Focus article. More Cosmic hit-and-runs create failed stars NewScientist Share
It's hit-and-run on a cosmic scale. Close encounters between swerving young stars might help spawn the brown dwarfs riddling the Milky Way. More How do oil dispersants work? Popular Science Share
In order to deal with the more than 11 million gallons of crude oil spilled to date into the Gulf of Mexico, BP's primary weapon is chemical oil dispersant. The company has already used an unprecedented amount of dispersant -- over 840,000 gallons -- and is poised to deploy more. Read the associated Physical Review Letters article. More Some 'ball lightning' reports may be hallucinations Science News Share
Talk about a flash of insight. Lightning strokes could stimulate people's brains and cause them to hallucinate bright blobs of light the same way a medical procedure that applies magnetic fields to the brain does, two physicists propose. The findings could help explain some reports of "ball lightning," mysterious floating orbs that have been reported for centuries but are poorly understood. More
Muon whose army? A tiny particle's big moment NewsScientist Share
The Large Hadron Collider is making headlines, but there may be big news in experiments that promise to reveal Standard Model secrets through low energy studies of the humble muon. More DNA replication... without life NewScientist Share
The precursor of life may have learned how to copy itself thanks to simple convection at the bottom of the ocean. Lab experiments reveal how DNA replication could have occurred in tiny pores around undersea vents. One of the initial steps towards life was the first molecule capable of copying itself. In the open ocean of early Earth, strands of DNA and loose nucleotides would have been too diluted for replication to occur. So how did they do it? Read the associated Physical Review Letters article. More Quantum photocells might cheat efficiency limits ScienceNews Share
Atoms in a solar cell coaxed into a curious simultaneous quantum state may convert sunlight into electrical energy more efficiently than previously believed possible, a new study proposes. Read the associated Physical Review Letters article. More |
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