Stories from Our Changing World: A NZ approach to fusion.

In the core of the sun atoms fuse together releasing huge amounts of energy. If scientists can figure out how to do it efficiently here on Earth, fusion holds great promise as a solution to our future energy needs. With recent breakthroughs in the field paving the way, the race is now on to develop and build the first nuclear fusion powerplant. New Zealand private company OpenStar Technologies is trying something new - using a floating magnet. Claire Concannon visits their headquarters to learn about the milestones the company has achieved, and why they're backing their particular approach.