Tech Xplore on MSN

Bat-inspired ultrasound helps palm-sized drones navigate fog and smoke

A team led by Worcester Polytechnic Institute (WPI) researcher Nitin J. Sanket has shown that ultrasound sensors and a form ...
NPR

To escape hungry bats, these flying beetles create an ultrasound 'illusion'

"Lots of things fly at night," says Harlan Gough, a wildlife biologist with the U.S. Fish and Wildlife Service. Nightfall can set the stage for an acrobatic high-stakes drama in the air — a swirl of ...