In reply to Sunil Shah's message of Wed, 28 Aug 2013 16:52:25 +0200: Hi, [snip] >No sound eminating from the arc, that I could discern.
Since thunder is caused by rapid expansion of the air (and ions), a "permanent" arc (presumably low power), might not create much sound, as the air around it has already stabilized. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
