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3D3DExperimental solar cell.
An experimental solar cell made with ruthenium at Imperial College. I don't know if they have fully thought through the ramifications of ruthenium being one of the more expensive of the metals.
Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 2 April, 2009
Text Updated: 3 April, 2009
Price: Donated
Size: 1.5"
Purity: <5%