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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.

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. Chris Vallance examines voice cloning and has a telephone conversation with artificial intelligence. Shiona McCallum reports on tech protecting crops from climate change in Africa. And Alasdair Keane learns about making magnets.

PHOTO CREDIT: Getty Images/Editorial12

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28 minutes

Last on

Sun 4 Feb 202412:32GMT
BBC World Service South Asia & East Asia only

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  • Tue 30 Jan 202420:32GMT
    BBC World Service Online, Americas and the Caribbean, UK DAB/Freeview & Europe and the Middle East only & BBC Afghan Radio
  • Tue 30 Jan 202421:32GMT
    BBC World Service except Online, Americas and the Caribbean, Europe and the Middle East & UK DAB/Freeview
  • Wed 31 Jan 202405:32GMT
    BBC World Service Australasia, Americas and the Caribbean, South Asia & East Asia only
  • Wed 31 Jan 202413:32GMT
    BBC World Service except East Asia & South Asia
  • Fri 2 Feb 202402:32GMT
    BBC World Service
  • Sun 4 Feb 202412:32GMT
    BBC World Service South Asia & East Asia only

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