4 ms·Fine-tuned acoustic waves can knock drones out of the sky18 points by m1guelpf 1y agoaaron695 1y ago[dead]rasz 1y agoYes, sound waves are famous for their range. > 25cm almost safe distance from shrapnel!mitchbob 1y agohttps://archive.ph/O2Civ https://archive.ph/O2Civa5c11 1y agoPaywall.