The sound bounces off of obstacles in their path, which allows them to kind of see in the dark. The noises are too high for humans to hear, which is why our volunteers use the microphone.

The sound bounces off of obstacles in their path, which allows them to kind of see in the dark. The noises are too high for humans to hear, which is why our volunteers use the microphone.

The latest can detect bats when it hears their 350 kHz sonar calls thanks to an ultrasonic microphone and op amp. The device then records the bat sounds and then either heterodynes the sound down ...

The first bat-wearable microphone is helping biologists study the bats’ good safety record at avoiding collisions in rush hour air. On summer evenings, in around a minute, some 2,000 greater ...

Now we know what an angry, hungry bat sounds like. Scientists decoded some inter-bat communication. ... To gather that data, they are attaching tiny microphones to bats in the field, ...

Recordings of bats chasing prey through a field of microphones have explained why the insect-hunters change their calls when swooping in for the kill. Lower echolocation frequencies provide a ...

The deeper the color, the stronger the response. Scientists suspect that the bat locates a sound by comparing inputs from different groups of neurons. K.A. Razak/J. Neurosci. 2011, adapted by E ...

Bats can learn to mimic specific sounds, which puts them into an elite group of animals capable of this. ... microphones and remote-controlled feeding devices that delivered them rewards.

These bats can use leaves as “sound mirrors” for ... essentially just a speaker to reproduce the five primary ultrasonic frequencies of bat calls, with a microphone right next to it to mimic ...

A simple buzzer and some microphones help a drone to navigate and map out its surroundings, much like how a bat uses sound to see in the dark By Alex Wilkins 2 February 2023 ...