Nuclear fusion needs a 'Wright brothers' moment, says firm closing on the target

Tokomak Energy aims to build mini-nuclear reactors and announces target of producing electricity by 2025 and feeding power into the grid by 2030

Nuclear fusion needs a "Wright brothers" moment, to convince the world of its promise of unlimited clean and safe energy and so unlock significant private investment, according to a physicist whose says his company is closing in on that goal.

David Kingham, the chief executive of Tokamak Energy, has announced his company's target of producing its first electricity by 2025 and feeding power into the grid by 2030, as well as investment from the UK's Institution of Mechanical Engineers.