In an age dominated by screens, social media and artificial intelligence (AI), metal detecting enthusiasts say the hobby helps them escape the digital world and slow down.
Trained to respond on its own to more than 200 different scenarios, including identifying suspicious or hostile behaviour, the AI Patrol Net-launch Robot Dog Pro was part of a showcase of high-tech police tools at the third Public Security Tech Expo held at Lianyungang in China’s eastern province of Jiangsu.
