Yep, balls are already used in hostile environments -- and there's a camera-ball grenade launcher, too! http://www.extremetech.com/extreme/92192-home-made-grena

Yep, balls are already used in hostile environments -- and there's a camera-ball grenade launcher, too! http://www.extremetech.com/extreme/92192-home-made-grenade-launcher-digital-camera-shown-off-at-def-con http://www.extremetech.com/extreme/92192-home-made-grenade-l...