Study of 'Persistent Currents' Finally Verifies Theory

(PhysOrg.com) -- Approximately 20 years ago, scientists discovered that is is possible for an electric current to flow endlessly in a ring made of a normal metal. One might think that such an 'old' finding would be well understood and no longer interesting to today's researchers, but scientists are still studying the phenomenon.

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<p><a href="http://www.physorg.com/news160142165.html">Study of 'Persistent Currents' Finally Verifies Theory</a></p> <p>(PhysOrg.com) -- Approximately 20 years ago, scientists discovered that is is possible for an electric current to flow endlessly in a ring made of a normal metal. One might think that such an 'old' finding would be well understood and no longer interesting to today's researchers, but scientists are still studying the phenomenon.</p>