A beam of helium atoms has been shown to have properties similar to a laser light beam, according to Australian scientists who have confirmed - for atoms - a theory first developed for light nearly 50 years ago.
Source: http://www.cosmosmagazine.com/news/4100/super-cold-atoms-act-lasers
Halle Berry Hayden Panettiere Haylie Duff Heidi Klum Heidi Montag Hilarie Burton Hilary Duff
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