Why does feedback between a microphone and speaker generate a high-pitched noise, and not a low one? • Sounds can be viewed as combinations of sine waves of different frequencies. The Barkhausen ...

You’ve heard the plaintive meow of a cat and the guttural growl of a lion. Ever wonder why those two felines sound so different? Bioacoustics is the study of the relationship between living things and ...

Researchers at Uppsala University have created the first 3D map of the hearing nerve showing where the various sound frequencies are captured. Using what is known as synchrotron X-ray imaging, they ...

This experiment demonstrates how water affects sound waves and pitch. You'll discover how different water levels create different musical notes and learn about the relationship between mass, vibration ...

The ear is the organ of hearing and balance. One of the very advanced sensitive organs of the human body, the ear detects, transmits, and transduces sound to the brain and maintains a sense of balance ...