Mega-canyon discovered beneath Greenland ice sheet
A previously unknown canyon hidden beneath two kilometers of ice covering Greenland has been discovered by a group of scientists, led by a team from the University of Bristol.
A previously unknown canyon hidden beneath two kilometers of ice covering Greenland has been discovered by a group of scientists, led by a team from the University of Bristol.
Earth Sciences
Aug 29, 2013
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From the vantage point of the International Space Station, astronauts frequently observe atmospheric and surface phenomena in ways that are impossible to view from the ground. Two such phenomena—gravity waves and sunglint—are ...
Earth Sciences
Jul 23, 2013
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Modern telecommunications happens because of fast electrons and fast photons. Can it get better? Can Moore's law—the doubling of computing power ever 18 months or so—be sustained? Can the compactness (nm-scale components) ...
Nanophysics
Feb 5, 2013
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Whether a material conducts electricity without losses is not least a question of the right temperature. In future it may be possible to make a more reliable prediction for high-temperature superconductors. These materials ...
Superconductivity
Aug 17, 2012
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(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has taken a picture of the barred spiral galaxy NGC 1073, which is found in the constellation of Cetus (The Sea Monster). Our own galaxy, the Milky Way, is a similar barred ...
Astronomy
Feb 3, 2012
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Rather than moving in circles around the center of the Milky Way, all the stars in our Galaxy are travelling along different paths, moving away from the Galactic center. This has just been evidenced by Arnaud Siebert and ...
Astronomy
Nov 30, 2010
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Inelastic scattering off moving or oscillating density fluctuations leads to broadening of radio signals propagating in the solar corona and solar wind. Using an anisotropic density fluctuation model from the kinetic scattering ...
Astronomy
Jul 2, 2024
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Solar eclipses can have a noticeable impact on the structure and dynamics of Earth's upper atmosphere—the ionosphere. This is primarily due to the sudden reduction in solar radiation reaching the Earth's atmosphere during ...
Planetary Sciences
Sep 26, 2023
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Recently, a team led by Prof. Lei Jiuhou from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences and the collaborators revealed the notable evidence of the dramatic thermospheric disturbances ...
Earth Sciences
Mar 3, 2023
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Room-temperature superconductors could transform everything from electrical grids to particle accelerators to computers, but researchers are still trying to understand how these materials function on the atomic level.
Superconductivity
Jun 14, 2022
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