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disco_tracy (1780182) writes "Rsearchers took corneas from blow flies, fixed them on a glass substrate, added a polymer to protect the shape and then coated nine-eye arrays in nickel within a vacuum chamber. The result was a master template that retained those useful nanoscale features and can be used to make solar cells." Link to Original Source
The next person to mention spaghetti stacks to me is going to have
his head knocked off.
-- Bill Conrad