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Physics in the News
Title: Superfluid helium-4 whistles just the right tune
URL: http://www.berkeley.edu/news/media/releases/2005/01/27_helium4.shtml
Date: 01/27/2005
Publication: UC Berkeley News
Editor: Robert Sanders, Media Relations
Extended Text: BERKELEY – University of California, Berkeley, physicists can now tune in to and hear normally inaudible quantum vibrations, called quantum whistles, enabling them to build very sensitive detectors of rotation or very precise gyroscopes.