IN SPITE OF GREAT ADVANCES IN FORMAL METHOD IN SOCIAL SCIENCE, MUCH OF THE UNDERSTANDING OF PERSISTING AND GENERAL RELATIONSHIPS DEPENDS UPON A GRASP THAT IS TOTALLY INDEPENDENT OF SOME FORMAL METHOD. IN ADVANCING SOCIAL SCIENCE, WE INVENT AND PRACTICE TECHNIQUE AND CULTIVATE A HUMANISTIC ART. (Robert Redfield)

ADIVASI (Tribes of India) Ethnographic Films by SATHYA MOHAN PV

Tuesday, January 19, 2016

Amazing Resonance Experiment


This experiment is the Chladni plate experiment. A tone generator, a wave driver (speaker) and a metal plate attached to the speaker. First add sand to the plate then begin playing a tone. Certain frequencies vibrate the metal plate in such a way that it creates areas where there is no vibration. The sand "falls" into those areas, creating beautiful geometric patterns. As the frequency increases in pitch the patterns become more complex.

Unedited version with tone throughout entire video:
http://www.youtube.com/watch?v=1yaqUI...

Published on Jun 6, 2013 
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