Measurements may help show if constants are changing

Physicists at JILA have performed the first-ever precision measurements using ultracold molecules, in work that may help solve a long-standing scientific mystery--whether so-called constants of nature have changed since the dawn of the universe.

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<p><a href="http://www.physorg.com/news65465927.html">Measurements may help show if constants are changing</a></p> <p>Physicists at JILA have performed the first-ever precision measurements using ultracold molecules, in work that may help solve a long-standing scientific mystery--whether so-called constants of nature have changed since the dawn of the universe. </p>