Drones to catch exam cheaters in China

Drones these days can do many things: take breathtaking video, deliver medicine, and even catch exam cheaters!

Mashable reports drones will be used to catch cheaters during China's National College Entrance Exam.
Authorities developed special drones that will hover more than 1,000 feet in the air above testing sites, scanning for radio signals up to 310 miles.
Test administrators control the drones using tablets.
When the drones detect a radio signal, it will beam data to the tablets for staffers.
Drone operators will zone in on the radio signals by flying closer to the detected source.
Cheaters will face penalties and possible prosecution.
They won't be able to retake the exam for 3 years. – Rappler.com