News tagged with shock waves
Secrets of the 'Levitating' Slinky: Viral web videos trigger physicists to explore a striking phenomenon
While holiday shoppers search frantically for the Moshi Monsters, LeapPad Explorers, or Lalaloopsy Silly Hair dolls atop their children's wish lists, many physicists remain engrossed in the properties of a ...
Dec 22, 2011 |
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Meteorite shockwaves trigger dust avalanches on Mars
(PhysOrg.com) -- Dust avalanches around impact craters on Mars appear to be the result of the shock wave preceding the actual impact, according to a study led by an undergraduate student at the UA.
Space & Earth / Space Exploration
Dec 16, 2011 |
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Star explosion leaves behind a rose
(PhysOrg.com) -- About 3,700 years ago, people on Earth would have seen a brand-new bright star in the sky. It slowly dimmed out of sight and was eventually forgotten, until modern astronomers later found ...
Dec 12, 2011 |
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Recent advance in detonation theory
A detonation wave is a chemical reaction wave propagating at the velocity of a shock wave along the explosive charge. There is great demand for a detonation model that can accurately simulate the detonation process, which ...
Nov 18, 2011 |
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Study finds no correlation between primary kidney stone treatment and diabetes
A Mayo Clinic study finds no correlation between the use of shock waves to break up kidney stones and the long-term development of diabetes. The study was released Friday during a meeting of the North Central Section of the ...
Oct 21, 2011 |
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Galaxy caught blowing bubbles
(PhysOrg.com) -- Hubble's famous images of galaxies typically show elegant spirals or soft-edged ellipses. But these neat forms are only representative of large galaxies. Smaller galaxies like the dwarf irregular ...
Sep 29, 2011 |
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Sunspot 1302: It's big. It's bad. And it's coming our way
(PhysOrg.com) -- Behemoth sunspot 1302 unleashed another strong flare on Saturday morning--an X1.9-category blast at 5:40 am EDT. NASA's Solar Dynamics Observatory (SDO) recorded the extreme ultraviolet flash.
Space & Earth / Space Exploration
Sep 26, 2011 |
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US scientists testing earthquake early warning
Elizabeth Cochran was sitting in her office when her computer suddenly sounded an alarm.
Space & Earth / Earth Sciences
Sep 20, 2011 |
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Space image: New supernova remnant lights up
(PhysOrg.com) -- Using the Hubble Space Telescope, astronomers are witnessing the unprecedented transition of a supernova to a supernova remnant, where light from an exploding star in a neighboring galaxy, ...
Sep 13, 2011 |
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Finland seeks to curb online hate speech: prosecutor
Finland's top prosecutor aims to impose clear legal boundaries on hate speech found on the Internet and to provide police with stricter guidelines, his office said Tuesday.
Aug 09, 2011 |
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Dark fireworks on the sun
On June 7, 2011, Earth-orbiting satellites detected a flash of X-rays coming from the western edge of the solar disk. Registering only "M" (for medium) on the Richter scale of solar flares, the blast at first appeared to ...
Space & Earth / Space Exploration
Jul 12, 2011 |
4.7 / 5 (7) |
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Under pressure, sodium and hydrogen could undergo a metamorphosis, emerging as a superconductor
(PhysOrg.com) -- In the search for superconductors, finding ways to compress hydrogen into a metal has been a point of focus ever since scientists predicted many years ago that electricity would flow, uninhibited, through ...
Jun 13, 2011 |
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Occupational lung diseases in Iraq and Afghanistan veterans
A Wednesday morning session will explore the inhalational exposures and respiratory outcomes of military deployment to Iraq and Afghanistan. Presenters will review current knowledge on complex inhalational exposures, epidemiologic ...
May 18, 2011 |
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Crab nebula: The crab in action & the case of the dog that did not bark
A new movie from NASA's Chandra X-ray Observatory shows a sequence of Chandra images of the Crab Nebula, taken over an interval of seven months. Dramatic variations are seen, including the expansion of a ring ...
May 16, 2011 |
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Nation's quake-warning system needs work, scientists say
Americans have been lulled into a false sense of security that they are prepared for a devastating earthquake, according to a report issued Wednesday by the National Research Council.
Space & Earth / Earth Sciences
Apr 05, 2011 |
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