This weekend, 3.6 million Americans took off their shoes. They emptied loose change out of their pockets. And, before they got on a flight to return from Thanksgiving, they stepped through an ...

[Kripthor] suspected that hunters were getting too near his house. When thinking of a way to quantify this belief he set out to build a triangulation system based on the sound of gunshots. The theory ...

For example, sonar technologies are constantly being improved based on observations from echolocating species like bats. Most bats use frequency-modulated (FM) acoustic pulses; that is, they vary the ...

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 ...

It turns out echolocation is not just limited to bats and whales. People who are blind can also use echolocation, most commonly by clicking their tongues and assessing the echoes that the clicks make ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Searching for food at night can be tricky. To find prey in the dark, bats use echolocation, their “sixth sense.” But to find food faster, some species, like Molossus molossus, may search within ...

A paper recently published in the journal Folia Primatologica presents preliminary evidence for ultrasound echolocation in primates. Echolocation is the process of emitting sound waves and listening ...

Why do whales use echolocation when bacteria do not? Because body size determines available sensing modes, argue researchers following a new study. Why do whales use echolocation when bacteria do not?

It's a beautiful afternoon in the hills of Mission Viejo. A light breeze provides relief from the high sun and cools my already moist face. The sound of birds mixes with the breeze rushing through the ...