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Poking around I found this video, where a university professor demonstrates the principle with a snow globe (containing virtually the same beads) and a strontiu
by maxbond 2y ago
Poking around I found this video, where a university professor demonstrates the principle with a snow globe (containing virtually the same beads) and a strontium 90 source.
https://youtube.com/watch?v=3kHfXntPMoI https://youtube.com/watch?v=3kHfXntPMoI
I think they would work as advertised. I'm not sure that makes them entirely not snake oil, though.