18:00Six O'Clock News13/12/2022 Scientists have made a major breakthrough in their quest to make nuclear fusionBBC Radio 4 Duration: 30 minutes Tue 13th Dec 2022, 18:00 on BBC Radio 4 LWAvailable for over a yearListen nowIt's hoped it could one day lead to a near-limitless source of clean powerGenresNewsBrandSix O'Clock News Source: BBC Online