A way of controlling the size of instabilities in the plasma of fusion reactors has been discovered by an international team of researchers. Large instabilities can damage a reactor, while small instabilities could prove useful for removing waste helium from the plasma. Therefore, the discovery could provide important guidance for the operation of large-scale fusion reactors.
The fusion of hydrogen nuclei in a magnetically confined plasma could deliver vast amounts of environmentally friendly energy. However, controlling the superhot plasma remains a significant challenge.
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