If you have been protesting recently, you know the police are using low flying helicopters and flash-bang devices. Both can hurt your hearing, so please bring ear plugs when you go.
Can acoustic metamaterials rescue your hearing? Maybe 20 years from now, but we don’t have to rely on some future discovery to protect hearing, we can do it now—wear ear protection to protect against loud sound.
It's surprisingly easy for headphones to damage hearing, says Dr. Daniel Fink. So when will someone intervene to stop the potential future epidemic of hearing loss?