How a noisy little bug could help the Navy fight wars

06/5/2013 | Popular Science

The Navy is hoping to take advantage of the emergence of the 17-year cicada to improve its active underwater sonar systems by studying how such a small creature can make such a loud noise. Existing active sonar systems rely on complex and unwieldy equipment to emit sound, and they are often difficult to deploy. The Navy hopes that unlocking the secrets of the cicada's unusually loud rattle could lead to smaller, more effective systems.

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