Mauna Loa - Hawaiis biggest and potentially most destructive volcano - is showing signs of life again nearly two decades after its last eruption.
Recent geophysical data collected on the surface of the 13,500-foot volcano revealed that Mauna Loas summit caldera has begun to swell and stretch at a rate of 2 to 2.5 inches a year, according to scientists from the U.S. Geological Survey (USGS) and Stanford University. Surface inflation can be a precursor of a volcanic eruption, the scientists warn.
"Inflation means that magma is accumulating below the surface, but at this point we dont have the kinds of sophisticated models that would be required to tell us if or when an eruption will occur," said Paul Segall, a professor of geophysics at Stanford who has collaborated with USGS volcanologists in Hawaii since 1990.
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Researchers led by Francesca Ferlaino from the University of Innsbruck and the Austrian Academy of Sciences report in Physical Review X on the observation of supersolid behavior in dipolar quantum gases of erbium and dysprosium. In the dysprosium gas these properties are unprecedentedly long-lived. This sets the stage for future investigations into the nature of this exotic phase of matter.
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Physicists observe how electron-hole pairs drift apart at ultrafast speed, but still remain strongly bound.
Modern electronics relies on ultrafast charge motion on ever shorter length scales. Physicists from Regensburg and Gothenburg have now succeeded in resolving a...
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