Spaceweather.com reports that astronomers Bill Livingston and Matt Penn of the National Solar Observatory in Tucson, Arizona, have found that sunspot ...
Showing posts with label Technology. Show all posts
Showing posts with label Technology. Show all posts
Saturday, August 29, 2009
Tuesday, August 25, 2009
Telegraph.co.uk | World faces hi-tech crunch as China eyes ban on rare metal exports
Beijing is drawing up plans to prohibit or restrict exports of rare earth metals that are produced only in China and play a vital role in cutting edge technology, from hybrid cars and catalytic converters, to superconductors, and precision-guided weapons.
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Wednesday, June 24, 2009
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