This Tech Note column appeared in the December 2020 issue as "Cut the Clutter." Subscribe to Discover magazine for more stories like this. One rainy night in March 2007, graduate student Ralph Simon ...

Bats are some of the most highly specialized mammals to have ever evolved. This includes not only the evolution of active flight, but also their echolocation. This ability requires the bats to produce ...

It sounds amazing, but we can all learn to use sound to detect our surroundings, just like bats or dolphins. No eyes required. Have you ever heard the expression "as blind as a bat"? Well, it's not ...

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 ...

Dolphins and porpoises use echolocation for hunting and orientation. By sending out high-frequency sound, known as ultrasound, dolphins can use the echoes to determine what type of object the sound ...

With just a few weeks of training, you can learn to "see" objects in the dark using echolocation the same way dolphins and bats do. Ordinary people with no special skills can use tongue clicks to ...

Please provide your email address to receive an email when new articles are posted on . BOSTON – Daniel Kish discussed here at Optometry’s Meeting how he uses echolocation to “see” his surroundings ...

Like some bats and marine mammals, people can develop expert echolocation skills, in which they produce a clicking sound with their mouths and listen to the reflected sound waves to 'see' their ...