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Britain's Nuclear Secrets: Inside Sellafield Clips

  1. How Sellafield stores pieces of a decommissioned nuclear reactor

    Duration: 01:20

  2. What happens to a plant when it鈥檚 exposed to a huge dose of radiation?

    Duration: 01:44

  3. Prof Jim Al Khalili goes inside Calder Hall for his first look inside the core of a nuclear reactor

    Duration: 03:19