Acoustics
Are new instruments as good as Antonio Stradivari's prized creations?
Understanding the effects of noise pollution on people, places and wildlife in National Parks
An acoustician chats about his efforts to educate and entertain the internet video-viewing public.
Bottlenose dolphins improve echolocation precision by aiming their sonar beam to graze the target.
People often use specific gestures and their voice when communicating sounds.
Middle East group was among first to begin agriculture, settlements, and catered funerals.
Human activity forces dolphins and whales to shout.
New research pinpoints the acoustic ingredient that gives screams their terror.
Scientists find the route to listening is more complex than they thought.
Physicists are developing acoustical "phonons" for computers of the future.