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Army’s Smart Earplug Damps Explosive Noise, But Can Enhance Whispers

Army’s Smart Earplug Damps Explosive Noise, But Can Enhance Whispers

Many combatants return from the battlefield with hearing loss. The U.S. Army has begun deploying a “smart earplug” system that can protect hearing without blocking crucial sounds.

Sourced through Scoop.it from: www.npr.org