One protester said she recalled hearing a strange, "unnatural" noise resembling a jet engine, followed by a powerful rush of ...

An curved arrow pointing right. Ukrainian soldiers attached a camera to a tank cannon, turning it into the ultimate — badass — selfie stick. Story and video by Carl Mueller More from ...

Serbian authorities deny they used sound cannon — a.k.a. sonic weapons — against Belgrade protesters. How would you know you had been hit? https://p.dw.com/p ...

"Is it your theory that the weapon could not have fired within the distance alleged?" Cannon asked after Militello raised the issue, according to WPTV. "It [the rifle] is old, and we want our ...

A "swooshing sound" can then be heard. Campaigners say this was the moment when protesters "were targeted" with a "sound cannon". Sonic weapons, illegal in Serbia, send out sound waves ...