Speaking of radioactive sources surprisingly used for casual activities, I liked this video from Applied Science guy on record(the music kind) static removers:

Speaking of radioactive sources surprisingly used for casual activities, I liked this video from Applied Science guy on record(the music kind) static removers: https://www.youtube.com/watch?v=ZBHIp967TD8 https://www.youtube.com/watch?v=ZBHIp967TD8 Polonium!