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July 03, 2015
X-raying ion channels
Trieste, Italy (SPX) Jun 28, 2015
"In this field, x-ray crystallography is considered the ultimate form of evidence: if something is demonstrated with this technique, then it just has to be true" explains SISSA professor Vincent Torre. Torre coordinated a study just published in the Proceedings of the National Academy of Sciences (PNAS) which used x-ray crystallography to demonstrate that the "selectivity filter" of ion channels is dynamic rather than rigid, thereby contributing to the solution to a long-standing debate among biop ... read more

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Unexpectedly little black-hole monsters rapidly suck up surrounding matter
Using the Subaru Telescope, researchers at the Special Astrophysical Observatory in Russia and Kyoto University in Japan have found evidence that enigmatic objects in nearby galaxies - called ultra- ... more
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NASA explains why June 30 will get extra second
The day will officially be a bit longer than usual on Tuesday, June 30, 2015, because an extra second, or "leap" second, will be added. "Earth's rotation is gradually slowing down a bit, so leap sec ... more
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Modeling fusions 'density limit' barrier
Researchers at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) have developed a detailed model of the source of a puzzling limitation on fusion reactions. The findin ... more
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Producing spin-entangled electrons
A team from the RIKEN Center for Emergent Matter Science, along with collaborators from several Japanese institutions, have successfully produced pairs of spin-entangled electrons and demonstrated, ... more
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New light in terahertz window
Yet it has the potential for numerous applications. In Physical Review Letters, scientists at Julich together with their international partners present a new concept that uses short-pulse lasers to ... more
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How the brightest lights in the universe 'flicker'
Supermassive black holes pull in gas with great force from their surroundings. As the gas rotates around the black hole, it becomes progressively hotter through friction and begins to radiate. This ... more
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The quantum spin Hall effect is a fundamental property of light
In a paper that crystalizes knowledge from a variety of experiments and theoretical developments, scientists from the RIKEN Center for Emergent Matter Science in Japan have demonstrated that the qua ... more
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Giving atoms their marching orders
Chemistry professor Linda Shimizu oversees a series of crowd-pleasing chemistry demonstrations in middle and high schools throughout central South Carolina every year. They are spirited affairs, and ... more
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Monster black hole wakes up after 26 years
Over the past week, ESA's Integral satellite has been observing an exceptional outburst of high-energy light produced by a black hole that is devouring material from its stellar companion. X-rays an ... more
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Destructive power of bubbles could lead to new industrial applications
Virginia Tech engineers have shed light on what happens to a nearby particle when bubbles burst. Sunghwan Jung, an assistant professor of biomedical engineering and mechanics in the College of Engin ... more
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ALMA weighs supermassive black hole at center of distant spiral galaxy
Supermassive black holes lurk at the center of every large galaxy. These cosmic behemoths can be millions to billions of times more massive than the Sun. Determining just how massive, however, has b ... more
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NASA's Hubble sees the 'teenage years' of quasars
Astronomers have used the Hubble Space Telescope's infrared vision to uncover the mysterious early formative years of quasars, the brightest objects in the universe. Hubble's sharp images unveil cha ... more
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VLA reveals 'bashful' black hole in neighboring galaxy
Thanks to the extraordinary sensitivity of the Karl G. Jansky Very Large Array (VLA), astronomers have detected what they believe is the long-sought radio emission coming from a supermassive black h ... more
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Scientists are first to see elements transform at atomic scale
Chemists at Tufts University's School of Arts and Sciences, collaborating with PerkinElmer and UCL (University College London), have witnessed atoms of one chemical element morph into another for th ... more
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Mass of strange atomic nucleus measured with very high precision
An international team of physicists working at the Institute of Nuclear Physics at Johannes Gutenberg University Mainz (JGU) in Germany has measured the mass of a 'strange' atomic nucleus with the a ... more
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Aalto University researchers predicted existence of new quantum matter theoretically
Finland's Aalto University researchers have succeeded to predict, in theory, that superconducting surfaces can become topological superconductors when magnetic iron atoms are deposited on the surfac ... more
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    Einstein saves the quantum cat
    In 1915 Albert Einstein formulated the theory of general relativity which fundamentally changed our understanding of gravity. He explained gravity as the manifestation of the curvature of space and ... more
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    The secret of X-ray science - like so much else - is in the timing. Scientists at the U.S. Department of Energy's (DOE) Argonne National Laboratory have created a new way of manipulating high-intens ... more
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    Slip sliding away: Graphene and diamonds prove a slippery combination
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    Researchers design the most precise quantum thermometer to date
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    Crossing a critical threshold in optical communications
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    Putting 2 and 2 together
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