U.S. military shows off giant ray gun for shooting down drones

The Dutch have anti-drone eagles, Tokyo police have drones with capture nets, the Marines have a laser on a Humvee and, now, the U.S. federal government has a gigantic anti-drone gun that shoots invisible waves of energy at uninvited drones. The DroneDefender ray-gun is made by Battelle, and it works by jamming the frequencies a drone uses, causing it to …