They do, but a regular diode noise source can't double as an actual radiation detector. I was thinking something like a SPAD diode or something, so everyone co

They do, but a regular diode noise source can't double as an actual radiation detector. I was thinking something like a SPAD diode or something, so everyone could have background radiation monitoring at all times and get an alert if someone mixed a cobalt source in the scrap metal used to make their furniture or whatever, or the nearby coal plant was puffing out radiation or something.