I have a Geiger counter next to my oscilloscope that I rarely used at the time. Well, and some clothes lying around on my table next to it caused it to trigger.

I have a Geiger counter next to my oscilloscope that I rarely used at the time. Well, and some clothes lying around on my table next to it caused it to trigger. Context is that I'm doing some MINT related workshops with others for children that need help and are falling behind in our education system :) Kind of panicked a little afterwards, but customs kept the package and told me to clean everything thoroughly.