Hawk moths may be jamming bat sonar signals by rubbing their genitals. The behavior, reported in Biology Letters on 3 July, creates an ultrasonic noise that could be used to scare off an attacking bat ...

Ultra Electronics Holdings has acquired 3 Phoenix Inc. in a $70 million that brings Ultra sonar, radar, intelligence, surveillance and reconnaissance products and solutions. Ultra bought 3 Phoenix ...

At using sonar, humans are novices compared to bats. That's why Israeli scientists are fitting bats with sensors in an attempt to reveal their echolocation secrets. Related Topics: Bats, Echolocation, ...

The amount of data the Defense Department collects has exploded with the number of increasingly sophisticated sensors on ships and submarines. And to tackle this, DOD will need to embrace cross-domain ...