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 tremor Monday.

dateApr 11, 2011 in Environment
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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 ...

dateMar 28, 2011 in Health
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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 way to confuse ...

dateMar 28, 2011 in Other
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Building cement 'prison' for old radioactive waste

The Cold War ended long ago, but its radioactive legacy still lingers in the water and soil of the western United States. Between 1950 and 1990, nuclear weapons materials production and processing at several federal facilities ...

dateJan 11, 2011 in Environment
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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 ...

dateDec 20, 2010 in Engineering
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