non-lethal force

Acoustic Device Scares Off Scuba Spies With the Sound of Their Own Breath

BY David Zax | 11-19-2010 | 11:00 AM | INNOVATION

Sometimes, the bad guys come by sea. A U.S. researcher has come up with a new, non-lethal way to deter malicious undersea divers: an acoustic technique that would overwhelm them with the sound of their own breathing.Though it might ...READ MORE›