Despite more than 50 years of effort, today's nuclear-fusion reactors still require more power to run than they can produce. Steve Cowley says the next step is to get the fusion plasma to generate its own heat – to make itself hotter than the centre of the Sun
Hot fusion
01 Oct 2010
Steve Cowley is Chief Executive Officer of the United Kingdom Atomic Energy Authority at the Culham Centre for Fusion Energy and professor of plasma physics at Imperial College London