Lichtenberg Figures with soaked wood

[@ccdimage]

Salt water. I suppose sodium chloride. I wonder what copper sulphate solution would do. It may generate some conductive copper paths, and I suppose Sulphuric acid.

[@LightSoySauce]

This dangerous, people die doing this. Don't try this at home.

[@gristc]

Ahh, I usually put a disclaimer on my videos to that effect, but forgot for this one.