How nuclear fusion (maybe) works (4) - reactor practicalities

Discussion of practical elements of any future nuclear fusion power plant. This video is released under a Creative Commons licence. Contents 00:00 - Introduction 00:26 - Maintaining a vacuum 05:23 - Introduction 06:55 - Getting energy out 10:06 - Neutrons 13:51 - Neutron activation 19:00 - Tritium breeding 21:31 - Fission-fusion hybrid 22:12 - Neutron damage 27:43 - Long-term prospects 29:01 - Summary References [1] Welcome to Planet ITER: a technical tour of the worksite by iterorganization [2] M. Reinhart et al., “Latest results of Eurofusion plasma-facing components research in the areas of power loading, material erosion and fuel retention”, Nuclear Fusion 62, 042013 (2022). [3] ITER Cryopump [4] The first high-speed colour video from the COMPASS tokamak [5] Aerial photo of Culham Science Centre, UK Atomic Energy