I was thinking an actual film, which wouldn't be difficult. I kept thinking about the "how to tell future people about radioactivity" example and I think it's

I was thinking an actual film, which wouldn't be difficult. I kept thinking about the "how to tell future people about radioactivity" example and I think it's hard to convey the actual effects, while it may be easy enough to convey that it's dangerous. A movie would be much more apt at explaining what was there and what the consequences of irradiation are that a few stills.