DroneShield is keeping hostile UAVs away from NASCAR events

If you were hoping to get some sweet drone footage of a NASCARrace in progress, you may find your quadcopter grounded unceremoniously by a mysterious force: DroneShield is bringing its anti-drone tech to NASCAR events at the Texas Motor Speedway.
The company makes a handful of products, all aimed at detecting and safely intercepting drones that are flying where they shouldn’t. That’s a growing problem, of course, and not just at airports or Area 51. A stray drone at a major sporting