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How to store power in soil and salt

Batteries made of building blocks and volcanic rock.

Giant towers of building blocks rising into the sky and huge vats packed with volcanic rock or molten salt are being used as massive batteries.

They are the latest ideas for storing energy generated by the sun and the wind – so you can keep the lights on when it’s dark or the wind isn’t blowing.

We meet the entrepreneurs and scientists who are trying to harness the fundamental forces of physics to power the world.

Presenter: Tom Colls

Image: The Energy Vault tower (c/o Energy Vault)

Available now

23 minutes

Last on

Tue 9 Feb 2021 23:06GMT

Broadcasts

  • Tue 9 Feb 2021 02:06GMT
  • Tue 9 Feb 2021 08:06GMT
  • Tue 9 Feb 2021 15:06GMT
  • Tue 9 Feb 2021 18:06GMT
  • Tue 9 Feb 2021 23:06GMT

People Fixing The World Podcast

People Fixing The World Podcast

Brilliant solutions to the world’s problems.

People fixing the world on YouTube

People fixing the world on YouTube

Watch stories of people changing their world on the World Service English YouTube channel