ScienceDaily Technology Headlines
for Saturday, March 26, 2011
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Universal property of music discovered (March 25, 2011) -- Researchers have discovered a universal property of scales. Until now it was assumed that the only thing scales throughout the world have in common is the octave. The many hundreds of scales, however, seem to possess a deeper commonality: if their tones are compared in a two- or three-dimensional way by means of a coordinate system, they form convex or star-convex structures. Convex structures are patterns without indentations or holes, such as a circle, square or oval. ... > full story
BrainGate neural interface system reaches 1,000-day performance milestone (March 25, 2011) -- An investigational implanted system being developed to translate brain signals toward control of assistive devices has allowed a woman with paralysis to accurately control a computer cursor at 2.7 years after implantation, providing a key demonstration that neural activity can be read out and converted into action for an unprecedented length of time. ... > full story
Exploding stars and stripes: Pattern of X-ray 'stripes' in supernova remnant could explain how cosmic rays are produced (March 25, 2011) -- The discovery of a pattern of X-ray "stripes" in the remains of an exploded star may provide the first direct evidence that a cosmic event can accelerate particles to energies a hundred times higher than achieved by the most powerful particle accelerator on Earth. This result comes from a very long observation of the Tycho supernova remnant with NASA's Chandra X-ray Observatory. It could explain how some of the extremely energetic particles bombarding Earth, called cosmic rays, are produced. ... > full story
Conch shell gives nano insights into composite materials (March 25, 2011) -- Researchers use the conch shell as an example of 'toughness-by-architecture' in the quest for new synthetic materials for engineering, construction and aerospace applications. ... > full story
First student-developed mission in which satellites orbit and communicate (March 25, 2011) -- Two satellites designed and constructed by engineering students in Texas successfully separated in space March 22, completing the most crucial goal of the mission since its Nov. 19 launch and making them the first student-developed mission in the world in which satellites orbit and communicate with each other in real-time. ... > full story
Matter spotted a millisecond from black hole -- but is it really doomed? (March 25, 2011) -- The European Space Agency's Integral gamma-ray observatory has spotted extremely hot matter just a millisecond before it plunges into the oblivion of a black hole. But is it really doomed? These unique observations suggest that some of the matter may be making a great escape. ... > full story
In vivo systems biology: Using computer models, systems biologists can predict complicated behavior of cells in living animals (March 25, 2011) -- Researchers report that they have created a new computational model that describes how intestinal cells in mice respond to a natural chemical called tumor necrosis factor (TNF). ... > full story
High-temperature superconductor spills secret: A new phase of matter? (March 25, 2011) -- Scientists have found the strongest evidence yet that a puzzling gap in the electronic structures of some high-temperature superconductors could indicate a new phase of matter. Understanding this "pseudogap" has been a 20-year quest for researchers who are trying to control and improve these breakthrough materials, with the ultimate goal of finding superconductors that operate at room temperature. ... > full story
Suzaku shows clearest picture yet of Perseus Galaxy Cluster (March 24, 2011) -- X-ray observations made by the Suzaku observatory provide the clearest picture to date of the size, mass and chemical content of a nearby cluster of galaxies. The study also provides the first direct evidence that million-degree gas clouds are tightly gathered in the cluster's outskirts. ... > full story
New model predicts the optical properties of nano-structures (March 24, 2011) -- Chemists have developed a new model to predict the optical properties of non-conducting ultra-fine particles. ... > full story
Robot-assisted prostate surgery is safe, long-term study finds (March 24, 2011) -- In the first study of its kind, urologists and biostatisticians have found that robot-assisted surgery to remove cancerous prostate glands is safe over the long term, with a major complication rate of less than one percent. The findings follow an earlier Henry Ford study that found nearly 87 percent of patients whose cancerous prostates were removed by robot-assisted surgery had no recurrence of the disease after five years. ... > full story
Chemist develops technique to use light to predict molecular crystal structures (March 24, 2011) -- Chemists have developed a way to use very low frequency light waves to study the weak forces (London dispersion forces) that hold molecules together in a crystal. ... > full story
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