Main content
Chemical Magic
Colours change, electrons flow, Professor Andrea Sella demonstrates the chemistry behind vanadium flow batteries.
(image: Glass bottles of charged blue vanadium Credit: BBC)
Duration:
This clip is from
More clips from Home Power Storage
![]()
How has my phone run out of charge already?
Duration: 00:40
More clips from CrowdScience
![]()
What would happen if we fell straight through the earth?
Duration: 02:34
![]()
Why is aurora green?
Duration: 02:19
![]()
In a random universe, is anything predictable?
Duration: 01:58
![]()
How do birds survive so high up?
Duration: 02:13
