Shot of a small creek running through a rocky bed surround by grasses in the Tennessee Valley. Shots of larger rivers flowing through the forest. Aerial shot of a large river. Aerial shot of a dam. Footage of water locks and a power station in operation. Shots of power lines running through the countryside. Historical stills of coal miners and a lumber mill worker. Aerial shot of several riverside industrial complexes. Sign for Oak Ridge National Laboratory. Laboratory workers enter through a security turnstile. Close ups of various controls and readouts in the lab. Footage of robotic arms manipulating radioactive isotopes. Shots of men looking into microscopes. A scientist smokes a pipe.