Electricity is chaotic, and we normally need to constrain it to wires and circuits to make use of it. Scientists in Europe and Canada have now managed to guide sparks through thin air and even around ...

Researchers can generate microbubbles by exposing liquids to high-intensity ultrasonic waves ... These bubbles are called active bubbles or acoustic bubbles. Osaka Metropolitan University ...

In this course, we will explore the underlying physic behind acoustic music. We will start with a general description of sound waves before delving into how sound is produced by musical instruments.