Earnest C. Watson Lecture Series


At 8 p.m. on January 17, in Beckman Auditorium, Melany Hunt, professor and executive officer for mechanical engineering at Caltech, will discuss booming sand dunes, a phenomenon in which low-frequency sustained tones accompany the avalanching of sand. Over the years, desert travellers have attributed these sounds to beating drums, harps, voices of spirits, and lost horsemen. Dr. Hunt will will outline recent work at Caltech involving field and laboratory measurements of the booming sound, and she'll offer a new explanation of the desert music.


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