In reply to Michael Foster's message of Tue, 30 Oct 2007 08:53:26 -0700 (PDT): Hi, [snip] >The other "inexpensive" photovoltaic may be doomed to the same fate. The copper >telluride thin film system now faces rapid price increases for tellurium. It's >something like 25 times what it was a few years ago. Perhaps it's time to look >at solar power that doesn't depend so much on very rare elements. [snip] Since small clusters of atoms can take on the chemical attributes of different elements, it may be possible to mimic the attributes of the scarce elements using "right sized" clusters of atoms of common elements/compounds. Regards,
Robin van Spaandonk The shrub is a plant.
