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Stealth rubber coating could make submarines nearly invisible to sonar
Stealth rubber coating could make submarines nearly invisible to sonar,Computer simulations found that a material made from three layers of rubber could absorb most frequencies used for sonar, which if affixed to a submarine would make it difficult to detect

Stealth rubber coating could make submarines nearly invisible to sonar

Computer simulations found that a material made from three layers of rubber could absorb most frequencies used for sonar, which if affixed to a submarine would make it difficult to detect