What did we achieve in the latest campaign with our record-breaking ST40 spherical tokamak? In this video, Head of Plasma Systems, Dr Steven McNamara, presents our main achievements, including 'diverted' plasmas, and outlines the four main goals with ST40 following our successful 100 million degrees campaign last year. “All of our ST40 campaigns are focussed on the goal of getting commercial fusion energy on the grid”, he says.