radioactive

Scientist explains equipment used to study physical properties of…

Television host Bob Day interviews Dr. Paul C Tompkins, the Laboratory…

Television host Bob Day interviews Dr. Paul C Tompkins, the Laboratory…

Scientist explains recording of thermal radiation on paper. Television…

Hand gestures at oscilloscope. More analog computing equipment with…

Television host Bob Day interviews Captain A. R. Bienke, the Medical…

Seated at desk, Bob Day interviews Director of Lab, Captain Robert A.…

Atomic bomb test footage. Huge mushroom clouds. Exterior of US Naval…

A nuclear explosion seen from a beach. A mushroom cloud blooms into the…

Layers of material blocking radiation. People in a fallout shelter…

An electrician climbing down a pole. Men working on electrical poles.…

Buses arriving in the dark. People milling about waiting for the tests…