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

Sgt. Jessie Bacon uses the Tactical Communications and Protective System to relay information to his squad in Fort Bliss, Texas. About 20,000 of the devices have been deployed so far. Sgt. Betty Boomer/U.S. Army       Since 2014, the U.S. Army has gradually been deploying the latest version of a hearing protection system that [...]