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Comment Re:Longitudinal wave lasers? (Score 1) 619

Beware using misquotes. What the article actually says is this:
... and is capable of aiming sound precisely for thousands of feet -- like the sonic equivalent of a laser, or spotlight.

That's from the article. Nothing about the technology behind the new device, just a simple comparison of the ability to aim precisely to that available to laser or spotlight.

"Consider a spherical bear, in simple harmonic motion..." -- Professor in the UCB physics department