Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. “He clicks with his tongue as a way of understanding where he is ...

As you might’ve already guessed the Raspberry Pi Pico Bat Detector and 384kHz full-spectrum recorder allows you to listen to the sonic chirps made by bats as they fly around. The PCB is now available ...

University of California, Berkeley, physicists have used graphene to build lightweight ultrasonic loudspeakers and microphones, enabling people to mimic bats or dolphins’ ability to use sound to ...

In 2012, [Bruno] wanted to detect some bats. Detect bats? Some varieties of bat (primarily the descriptively named “microbats”) locate themselves and their prey in space using echolocation, the same ...

Graphene is frequently lauded for its untapped potential in ushering about a new generation of efficiency and performance, but the super-material has years to go before it becomes a standard in most ...

The range of human hearing goes up to about 20 kilohertz, which is fine for our purposes, but is pretty poor compared to plenty of other animal species. Dogs famously can hear up to about 60 kHz, and ...