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		#8 | 
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			 Member 
			
			
			
			Join Date: Jan 2022 
				Location: Netherlands 
				
				
					Posts: 498
				 
				
				
				
				
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			unfortunately not , I've kept a couple for a while of this experiment on my phone but then I erased them at some point. 
		
		
		
		
		
		
		
	I guess that it depens on the metals involved. Perhaps one of the so many videos on your tube would inspire someone https://www.youtube.com/watch?v=inGtEynlP0E&t=1215s It clearly is not one easy thing  | 
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