I agree about the particles moving in the waves frame, but what you are talking ... | Hacker News

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		hotpockets on July 18, 2013 \| parent \| context \| favorite \| on: Hyperloop: riding sound’s density peak to exploit ... I agree about the particles moving in the waves frame, but what you are talking about is drag, I think. The pressure gradient still produces a net force on the object. How big it is compared with other forces, such as drag, I have no idea.

cma on July 18, 2013 [–]

If you are talking about the gradient I think you are, any effect it has it can minimized to nearly nonexistent by increasing the wavelength.

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