News tagged with uranium 238
Dwarf planet Haumea shines with crystalline ice
The fifth dwarf planet of the Solar System, Haumea, and at least one of its two satellites, are covered in crystalline water-ice due to the tidal forces between them and the heat of radiogenic elements. This ...
May 12, 2011 |
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Nuclear photonics: Gamma rays search for concealed nuclear threats
Gamma rays are the most energetic type of light wave and can penetrate through lead and other thick containers. A powerful new source of gamma rays will allow officials to search for hidden reactor fuel/nuclear bomb material.
May 02, 2011 |
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Silver Crucial For WWII Bomb
In the middle of World War II, Secretary of War Henry Stimson asked Treasury Secretary Henry Morgenthau if he could borrow some of the government's silver on repository in West Point, N.Y. With metal in high ...
Jan 13, 2010 |
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Search results for uranium 238
LAMIS -- a green chemistry alternative for laser spectroscopy
At some point this year, after NASA's rover Curiosity has landed on Mars, a laser will fire a beam of infrared light at a rock or soil sample. This will "ablate" or vaporize a microgram-sized piece of the ...
Space & Earth / Space Exploration
Mar 01, 2012 |
3 / 5 (1) |
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What keeps the Earth cooking?
What spreads the sea floors and moves the continents? What melts iron in the outer core and enables the Earth's magnetic field? Heat. Geologists have used temperature measurements from more than 20,000 boreholes ...
Jul 17, 2011 |
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Physics for safer ports: New technology uses nuclear 'fingerprints' to scan cargo ships
While 700 million travelers undergo TSA's intrusive scans and pat-downs each year, 11 million cargo containers enter American ports with little screening at all. And the volume of those containers, roughly ...
Apr 29, 2011 |
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NPL recreates original fission experiment
National Physical Laboratory helped a BBC/Open University production crew recreate Otto Frisch's famous fission experiment from the 1930s.
Oct 12, 2010 |
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Research shows radiometric dating still reliable (again)
Recent puzzling observations of tiny variations in nuclear decay rates have led some to question the science of using decay rates to determine the relative ages of rocks and organic materials. Scientists from the National ...
Sep 15, 2010 |
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iPhone goes nuclear
A fission reaction in a nuclear reactor? There's an "app" for that! An iPhone "application" or software developed by the University of Utah's Scientific Computing and Imaging (SCI) Institute to look at medical ...
May 06, 2010 |
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Study in Spain and Romania confirms radon as second leading cause of lung cancer
Exposure to radon gas in homes is the second leading cause of lung cancer after smoking, according to a study carried out by researchers from the University of Cantabria and the Babes-Bolyai University in ...
Sep 30, 2009 |
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Helium supplies endangered, threatening science and technology
In America, helium is running out of gas.The element that lifts things like balloons, spirits and voice ranges is being depleted so rapidly in the world’s largest reserve, outside of Amarillo, Tex., that supplies are expected ...
Jan 02, 2008 |
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Uranium isotope ratios are not invariant, researchers show
For years, the ratio of uranium’s two long-lived isotopes, U-235 and U-238, has been considered invariant, despite measurements made in the mid-1970s that hinted otherwise. Now, with improved precision from state-of-the-art ...
Space & Earth / Earth Sciences
Oct 23, 2007 |
4.3 / 5 (15) |
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Depleted uranium may post health hazard
A U.S. study suggests exposure to particles of depleted uranium might increase the risk of genetic damage and lung cancer.
Medicine & Health / Diseases, Conditions, Syndromes
May 09, 2007 |
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List of search results for uranium 238
