Physicist and activist, Frank von Hippel discusses his career in arms control and what the future may hold for the world. Two corrections – 1) The Nuclear Weapons Freeze march was from the UN to Central park and 2) The banner in the Freeze march said 177 out of 195 towns voted for the Freeze in...

Our team returns to the Soviet Union to take data on the Slava. We hear about the spectroscopy of a nuclear weapon and the legacy of the Black Sea Experiment.