Researchers at the University of Canterbury, in New Zealand, have developed a new, lower-voltage method of generating extra-long, lightning-like electrical arcs. The arcs are created when an ...
Shielded Metal Arc Welding (SMAW) is performed with the heat of an electric arc that is maintained between the end of a coated electrode and the work piece. It may utilize either alternating current ...
Photos taken by the researchers show plasma arcs up to 60 meters long casting an eerie blue glow over buildings and trees at the High Voltage Laboratory at the University of Canterbury in New Zealand.
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