joanwz profile image 88

What do you know about geiger counters?

1. How they are used 2. how to know what exactly it is that you are detecting.

sort by best latest

nochance profile image90

Chloe Davis Smith (nochance) says

4 years ago
 |  Comment
m abdullah javed profile image80

muhammad abdullah javed (m abdullah javed) says

14 months ago
 |  Comment