Main content
![](https://ichef.bbci.co.uk/images/ic/640x360/p05ywgsg.jpg)
The quest for nuclear fusion
Helen finds out how scientists have managed to produce temperatures of 100 million degrees using plasmas to try to achieve nuclear fusion.
Duration:
More clips from From Ice to Fire: The Incredible Science of Temperature
-
How does your body prevent overheating?
Duration: 02:41