Bottling up sound waves: Acoustic bottle beams hold promise for imaging, cloaking, levitation and more

4 agosto 2014

Researchers have developed a technique for generating acoustic bottles in open air that can bend the paths of sound waves along prescribed convex trajectories. These self-bending bottle beams hold promise for ultrasonic imaging and therapy, and acoustic cloaking, levitation and particle manipulation.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/aRhFJzGPhx0/140804151512.htm

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