Mike Rugnetta and Atlas Obscura‘s Dylan Thuras have a fascinating discussion on the use of sound in war and at what point sound becomes a weapon. Among the topics covered:- World War I “sound mirrors” (giant concrete parabolas that ineffectively tracked incoming planes)- Project Disperse- The Mosquito- “Tunnel chicken”- LRAD- So-called “less than lethal” technology- Humankind’s unintentional sound war on the animal population