Artificial intelligence could train your dog while you are out at work. A prototype device can issue basic dog commands, recognise if they are carried out and provide a treat if they are.

Jason Stock and Tom Cavey at Colorado State University trained an AI to identify when dogs were sitting, standing or lying down using over 20,000 images of dogs from different breeds. The AI achieved 92 per cent accuracy.

This was then combined with a moveable camera, a speaker for issuing instructions and a dog treat delivery tube …