#14866
Profile photo of Andrew Normand

I’m intrigued by the plastic drinking straw so if anybody is reading this elderly thread and knows could you explain? We don’t have dry ice but use a peltier cooled cloud chamber. I use a piece of thoriated welding rod as a source but I’m curious about the lo salt. I do have some for use as a demo with a GM tube but assumed it would just get wet and be a nightmare in a cloud chamber. Do you seal it in the plastic drinking straw?

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