Portable 40mm launcher kills drones by firing 6.5-feet-long steel chains at 80 m/s — German researchers' low-tech mechanical 'bola' outshines textile drops quadcopters without lasers or EMPs The concept draws on the same physics as the bola, a weighted throwing weapon used for centuries by South American herders. #hardware https://www.tomshardware.com/tech-industry/german-researchers-propose-firing-chains-at-drones-as-a-low-tech-defense-system