radioactive

A male scientist weighs a small sample, then puts the sample in a small…

A man empties the contents of the mixed barrel into plant pots. In a…

The male scientist continues to experiment with different liquids. Text…

Medium shot of robotic view finder. Over the shoulder shot of a man at…

Testing radioactive substances. A row of men each welding. Men and…

Shots of a scientist using Geiger Counter. MS of man using grinding…

Ohio. Radioactive teeth studied to prevent tooth decay. Lab setting,…

A teacher speaks to his class about the atom. There is a large diagram…

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

Interior of a nuclear reactor. Animation of what occurs inside the…

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

Associate Scientific Director Dr. Eugene Cooper explains scientific…