This was just posted on a pro audio forum I follow.

Rubens Tube Physics Experiment

Tom Danley always said how useful fire/flame was at visualizing sound. I have to say this gives me a cool idea for a flame-based RTA... 

Mark Seaton
Seaton Sound, Inc.
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I remember seeing that demo in person in AP physics in high school. Good stuff...Steely Dan, as usual, looked and sounded the best for the demo
This is not a sig. This is a duck. Quack.
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Will your insurance cover that?
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Not if you use it in close proximity to "foam by mail" room treatment products.  It might help you recreate the live music experience of a Rhode Island night club in your own listening room, but sometimes accurate reproduction is not the most enjoyable

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