99% Invisible
222- Combat Hearing Loss
Jul 26, 2016 · 16 min
Play episode

The US military buys a lot of foam ear plugs. Visit any base and you’ll find them under the bleachers at the firing range, in the bottoms of washing machines. They are cheap and effective at making noise less … noisy. … Continue reading →

Search
Clear search
Close search
Google apps
Main menu