There has been quite some debate about how dangerous it is to keep these luminous disks in your collection. So I was very glad to finally get some concrete scientific advice on this.

Jon Korsmo finally provided a clear and conclusive explanation that I can share with you here. He is a certified nuclear medicine technologist and works with radiation all day as a job.

Jon isn’t really worried about the radiation of one disk or two on display, but it depends on what you do with these disks and the condition they are in.

Read all about it here, in the updated article about luminous disks