Re: Improvising with Household Items.
Foamy plastic wine corks, polyurethane... Solid semi transparent champagne corks polyethelene (polythene)... This I know from years of dilligent research, you have to suffer for your art.
Back on topic, to test a material for its dielectric properties pop it in a microwave for a few seconds, ones that get hot are bad, cool is good.
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