Ukraine’s rotating barbed wire drone barriers discovered by Russians — motorized barriers tear and slice the fiber-optic lines that jam-proof drones leave in their trail

https://www.tomshardware.com/tech-industry/ukraines-rotating-barbed-wire-drone-barriers-discovered-by-russians-motorized-barriers-tear-and-slice-the-fiber-optic-lines-that-jam-proof-drones-leave-in-their-trail