On 26th July 1982, the BBC broadcast “ A Guide to Armageddon ” [YouTube] as part of the QED documentary 1 series which ran between 1982 and 1999. The programme was written and produced by Mick Jackson and is clearly an early blueprint for Threads , although Threads was updated following several important scientifically credible ideas particularly that of nuclear winter. The programme was 30 minutes in length and was a detailed investigation into the effects of a nuclear weapon exploding over a large city, London being the chosen example. It theorised what effect a 1 megaton airburst weapon would have and demonstrating vigorous impartiality, the programme cited it sources at the very beginning: Sources for " QED A Guide to Armageddon ": Glasstone, S and Dolan J. D. (1977) J. D. The Effects of Nuclear Weapons . U.S. Department of Defense : U.S. Department of Energy. United States. Congress. Office of Technology Assessment. (1979) The Effects of Nuclear Weap...