Tag - Waves

Physicists Create Sound Waves That Move Exclusively in One Direction

Self-oscillations (red and blue) guide sound waves (green, orange, purple) in only one direction through the circulator. (Xin Zou)Imagine three people arranged in a circle, where each can only hear one other directly. Scientists have created a device that directs sound waves in just this way, allowing them to travel in a single direction only.Developed...