Political activists may have to contend with an interesting little crowd control device known as the “crap cannon” or the “brown note.” The infrasound device makes people defecate on themselves. It is not actually the type of movement that MoveOn.com activists were expecting.
While acoustician Dr. Roger Schwenke has questioned whether these frequencies can cause involuntary defecation, he acknowledged the low-frequency exposure did “abdominal discomfort.”
Denver’s Mayor John W. Hickenlooper has refused to supply details of what was purchased with $18 million of a $50 million federal grant for convention security.
It could be just a rumor but it has activists up in arms and “preparing” for the worst.
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