It's the worst accident in US commercial nuclear power history. In March 1979, the Unit 2 reactor at Three Mile Island nuclear generating station came half an hour from full meltdown. Two days later, an explosive bubble of hydrogen gas was found in the reactor.To talk technical malfunction, human error and public response, J Samuel Walker joins Don for this episode. Sam is a former historian of the U.S. Nuclear Regulatory Commission and author of 'Three Mile Island: A Nuclear Crisis in Historical Perspective'.Produced by Sophie Gee. Edited by Siobhan Dale. Senior Producer was Charlotte Long.Discover the past on History Hit with ad-free original podcasts and documentaries released weekly presented by world renowned historians like Dan Snow, James Holland, Mary Beard and more.Get 50% off your first 3 months with code AMERICANHISTORY. Download the app on your smart TV or in the app store or sign up at historyhit.com/subscribeYou can take part in our listener survey here. Hosted on Acast. See acast.com/privacy for more information.