| ▲ | ge96 3 days ago | |
There is a subreddit where people measure the radiation given off by random things you'll see them pointing some device at the ground or an object. Like an old glass cup | ||
| ▲ | emsign 3 days ago | parent | next [-] | |
If you have one of those small scintillators on you all the time you can measure your own radiation. A significant spike in the spectrum for Potassium-40. | ||
| ▲ | burnt-resistor 3 days ago | parent | prev [-] | |
The only thing I can find radioactive enough to be picked up by a cheap GM tube kit is vintage real green uranium glassware. Even a giant bunch of bananas doesn't increase counts enough. Smoke detectors also don't seem to be radioactive enough either. | ||