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Posted

hahahaah holy mother of God, that is just nuts...i wonder if the speakers are underneat the table where they poured the sugar...

INtersting the higher the frequence the greater the division in the form...

Posted

In my opinion, I don't think it was the sand that was vibrating. Sand was used to indicate where the patterns of waves were being formed on the surface of (metal) table / dynamic. Maybe an engineer could shed some more light on this...

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