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Building a Better Atomic Clock
April 15, 2008 4:40 PM
The World's Most Accurate Clock . . . won't fit on your wristwatch, but it will be accurate to within 1 second every 200 million years. It's a CU Boulder creation. Shelley Schlender reports....
Posted by Delaney Utterback on April 15, 2008 4:40 PM | Permalink
