3 ms·
Sadly the article doesn't say if they actually work or whether they are snake oil.
by qingcharles 2y ago
Sadly the article doesn't say if they actually work or whether they are snake oil.
- maxbond 2y agoPoking 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.