Double-discharge Lichtenberg figure. 
This lichtenberg figure was made by Bert Hickman and his partners at a facility in Ohio.  I came along to watch and write about the process for an article that will be in my Popular Science magazine column. 
This figure was made in an unusual way: It was charged up from both sides, forming two layers of charge, and then discharged in one bang, forming this interesting double-layer shape.  (Click the rotating camera icon to see it from all sides, which is the only way to really appreciate it.) 
Source: Bert Hickman 
Contributor: Bert Hickman 
Acquired: 11 June, 2004 
Text Updated: 11 August, 2007 
Price: Donated 
Size: 4" 
Purity: 0%
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