Originally posted by CatLady
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But since your foil - whatever it is - allows a signal - why not try the whole of that experiment? It would only cost you 6 batteries. It would be really good to see it replicated. And Dave's already hinted that it's a worthwhile test. When it's light again I'll go and check on the manufacture of my own foil. If there's a way of finding out its constituents I'll let you know.
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