News tagged with nuclear energy

One supernova type, two different sources

The exploding stars known as Type Ia supernovae serve an important role in measuring the universe, and were used to discover the existence of dark energy. They're bright enough to see across large distances, ...

May 07, 2012
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Japan, US, EU discuss rare earth supply security

(AP) -- Officials from the United States, the European Union and Japan are pledging to work closer together on ways to ensure secure supplies of strategically vital rare earths and other critical materials.

Mar 28, 2012
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Europe-US deal to curb highly enriched uranium use

Three of the world's top suppliers of medical isotopes on Monday announced plans to work toward phasing out the use of highly enriched uranium in the production process under a deal with the United States.

Mar 26, 2012
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Another metric on energy efficiency

It's hardly a surprise that making energy efficiency improvements to buildings saves money and can benefit the environment in terms of reduced fossil fuel burning and reduced greenhouse gas emissions.

Mar 19, 2012
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