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How to Make a Submarine Disappear


BlackSun
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Using computer simulations, a group of researchers has determined that it's possible to build objects that will allow sound waves to slip past undisturbed. If the concept is proved experimentally, it could pave the way not just for military applications such as stealthier submarines but also for auditoriums with less reverberation and perhaps even smoother flights for airplanes. Beckman researcher and U. of I. mechanical engineering professor Nicholas Fang says the research "clearly indicates" that achieving anisotropy is critical to building an acoustic cloaking shell. Although that technology remains challenging, he says, "I am glad to see we now have more tricks to play with sound."

 

Contact Information:

 

Nicholas Fang

Part Time Faculty

 

3D Micro and Nanosystems

 

4143 Beckman Institute

University of Illinois

405 N. Mathews Ave.

Urbana, IL 61801

(217) 265-8262

 

nicfang@uiuc.edu

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