Quote:
Originally Posted by freebeard
What you get in that case is the Eastern Washington scab lands. Not a Lichtenberg figure.
This is not an adequate description of electrical discharge machining.
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1) I was specifically addressing redneck's question about the Grand Canyon.
2) I was addressing the physics of alleged lithospheric vaporization by lightning strike and how the numbers are not in accord with the possibility of such a process.