The iconic clock tower and library at University of California, Berkeley. The University of California system, especially Berkeley, has a stormy history around free speech and spying by the federal government. John Morgan/Flickr hide caption

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At Calif. Campuses, A Test For Free Speech, Privacy And Cybersecurity

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In a project called "Natural Frequencies," the bells in the Campanile on the University of California, Berkeley campus were recently programmed to play a score composed in real time by the seismic shifts taking place along the Hayward fault. Eric Risberg/AP hide caption

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Shake, Rattle And Toll: Berkeley's Bells Play Sounds Of Earth

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