Sonar and AI have been brought together in a hand-held device that can find humans underwater. We speak to its inventor and an underwater search team leader. Show more
Discover 11,128,835 listings and 280,253 playable programmes from the BBC
Sonar and AI have been brought together in a hand-held device that can find humans underwater. We speak to its inventor and an underwater search team leader. Show more
The BBC's international radio station
