[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life ...

Serbian officials have denied allegations security forces deployed a military-grade Long Range Acoustic Device.

By Saturday evening, several experts had determined that the most plausible cause was a sound cannon. Developed for military use, especially to combat maritime piracy, this weapon resembles a ...