Laser-trapping of rare element gets unexpected assist

Argonne researchers have successfully laser-cooled and trapped atoms of radium — the first time this rare element has been captured in a magneto-optical trap — with an assist from an unexpected source.

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<p><a href="http://www.physorg.com/news97252804.html">Laser-trapping of rare element gets unexpected assist</a></p> <p>Argonne researchers have successfully laser-cooled and trapped atoms of radium — the first time this rare element has been captured in a magneto-optical trap — with an assist from an unexpected source.</p>