Twin ultrasound transducers create highly focused audio Curved sound waves aren't audible if you're not in the sweet spot ...

They don't hear anything. Nothing, nothing. I don't hear anything. And I'm supposed to have very good hearing. Today we field tested the new ringtone, downloaded the sound onto the cell phone, and hit ...

On February 15, BBC News published an article that explored the possible link between the use of noise-canceling headphones and auditory processing disorder (APD) in young people. This will likely ...

A new ringtone tested in 2006 revealed only kids could hear its high-pitched sound, leaving adults baffled. A new ringtone tested in 2006 revealed only kids could hear its high-pitched sound, leaving ...