News tagged with radioactive materials

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Worst over, but dangers persist at Japan plant

A month after a deadly quake-tsunami hit a Japanese nuclear plant, the risk of a huge radiation leak has fallen but the danger is far from over, experts say -- a risk brought sharply into focus by a powerful ...

Apr 11, 2011
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No threat from Japanese radiation spread across US

(AP) -- Traces of radioactive material from the endangered Japanese nuclear plant are being detected from coast to coast in the United States and in Iceland, but amounts continue to be far below levels that would cause health ...

Mar 28, 2011
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Explained: rad, rem, sieverts, becquerels

Sometimes it must seem as though reports on releases of radioactive materials from Japan’s Fukushima Daiichi nuclear powerplant in the wake of the devastating earthquake and tsunami are going out of their ...

Mar 28, 2011
4.8 / 5 (4) 1

New software detects piping flaws

New software developed by the U.S. Department of Energy's Savannah River National Laboratory (SRNL) and Northrop Grumman Shipbuilding (NGSB) may lead to a less expensive and less time consuming method to detect corrosion ...

Dec 20, 2010
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Noble gas detection system reaches maturity

The Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization certified the first noble gas detection system at its radionuclide station in Charlottesville, Va., United States, on Aug. 19, 2010. The ...

Aug 24, 2010
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Advance toward earlier detection of melanoma

Scientists are reporting development of a substance to enhance the visibility of skin cancer cells during scans with an advanced medical imaging system that combines ultrasound and light. The hybrid scanner ...

Aug 11, 2010
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Researchers recalculate age of Solar System

(PhysOrg.com) -- Lead-lead (Pb-Pb) dating is among the most widely used radiometric dating techniques to determine the age of really old things, such as the age of the Earth or the Solar System. However, recent ...

Jan 04, 2010
4.6 / 5 (13) 2 | with audio podcast