The Current Source recently released a video about radioactivity, Geiger counters, and Derek’s battle with Thyroid cancer. (Great news, he’s now cancer free!)
Check out the Geiger Counter kit page for more information about the kit!
The Current Source recently released a video about radioactivity, Geiger counters, and Derek’s battle with Thyroid cancer. (Great news, he’s now cancer free!)
Check out the Geiger Counter kit page for more information about the kit!