  Invisible wires on screen. 
You can't see the indium tin oxide wires connecting the individual pixels in this old cell phone screen, because they are transparent.  That is the whole point of using indium tin oxide. 
Source: Theodore Gray 
Contributor: Theodore Gray 
Acquired: 17 April, 2009 
Text Updated: 17 April, 2009 
Price: Donated 
Size: 2" 
Purity: <5%
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