In order to defend itself against small drones, China built a laser-based system that can shoot down the compact aircraft up to 1.2 miles away. According to the official Xinhua news agency, the tech can bring down the rogue flying machines within five seconds of locating them at altitudes of up to 500 meters (1,640 feet). It's said to be effective against the small UAVs flying at speeds of up to 112 MPH, and will primarily be used to secure events in urban locales and lock down unauthorized mapping efforts. The new system can be installed on existing vehicles to ensure troublemakers and their drones are kept from causing any mayhem. In statement by the China Academy of Engineering Physics (CAEP), tests of the laser-based setup showed a 100 percent success rate, shooting down more than 30 drones during the trials. The CAEP is working on more robust systems with longer range as well.

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