People who are visually impaired will often use a cane to feel out their surroundings. With training and practice, people can learn to use the pitch, loudness and timbre of echoes from the cane or ...

Reverberation localization (echolocation) is a method of knowing the distance, direction, size, etc. of an object from the echo of the emitted sound or ultrasonic waves, and is known to be performed ...

Much like bats and dolphins, some people have developed the ability to analyze bouncing sound waves to generate a picture of their environment. Image via Flickr user poolski When a bat flies through ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Daniel Kish is an ...