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Online mapping - we find out how it can help humanitarian work around the world.

Online mapping - we find out how it can help humanitarian work around the world. Alasdair Keane tries on virtual reality goggles that are teaching students how to solve real-world problems. Meet the teams racing on water with battery-powered boats. And a professor wins a prize for an energy-saving invention he dreamed up in 1977.

Presenter: Alasdair Keane
Producer: Tom Quinn

(Photo: An online map is displayed on a laptop screen. Credit: AndreyPopov/Getty Images)

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26 minutes

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Sunday 11:32GMT

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  • Tuesday 19:32GMT
  • Wednesday 04:32GMT
  • Wednesday 12:32GMT
  • Today 01:32GMT
  • Sunday 11:32GMT

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