As he's using an arc welder, wouldn't these be more like flux-fulgurites?
I was a summer camp director who was also a volunteer firefighter. At the scene of a lightning-lit forest fire I found a whole bunch of fulgurites in a sandy driveway. We cleaned off a bunch of them (the longest was 14" or so and had about a dozen branches) and took them back to camp.
I sure hope they are still in the nature building.
So they kinda look like what I pull from my cat's litter box. Doing a GIS they look much nicer with branching
I wonder if there's a technological application for fulgerite, as in perhaps some kinda fiber optics? What are its uses now? What can be made out of the stuff?
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