I met a scientist who looked into a particle accelerator; it was intention, part of a self-experiment to establish whether high energy particles can cause scint

I met a scientist who looked into a particle accelerator; it was intention, part of a self-experiment to establish whether high energy particles can cause scintillations in the eye. In his case he very carefully calculated how to get a safe dosage. On the other hand there's https://en.wikipedia.org/wiki/Anatoli_Bugorski https://en.wikipedia.org/wiki/Anatoli_Bugorski