September 19, 200916 yr Interesting https://www.michaelyon-online.com/the-kopp-etchells-effect.htm Edited September 19, 200916 yr by Wang Wei
September 19, 200916 yr Saw those halos an awful lot when I was flying on the other aircraft, in the other service; we just called it "static sparks". Nice read on how he came up with the name.
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