I got the sense you knew that. It was just ambiguous in your post and I was clarifying for anyone that might have misread it in the way that I did. No offense i

I got the sense you knew that. It was just ambiguous in your post and I was clarifying for anyone that might have misread it in the way that I did. No offense intended. It is interesting and I wish I were more of an expert in this area to be able to evaluate the claims in the article made by parties with commercial interests in the topic. I have a sense that the amount of Am-241 in smoke detectors would be many orders of magnitude smaller than in batteries.