Amphibious drones, chess-playing robots and AI emotion trackers on show were more than mere concepts, writes ARTHUR GOLDSTUCK.

Smaller drones are easier to fly but they’re too small to house one ... It can follow you on a bike ride or tag along on a hike for hassle-free photos and videos. It won’t be doing barrel ...

When it came to filming an urban mountain bike race in a dense Chilean ... a biker would require some good first-person flying skills and a quick drone. However, for the Red Bull Valparaiso ...