A new nanosolar powersheet is now only costing $1 per watt, as stated by Michael Moyer in an article in Popular Science. These new powersheets are being made even cheaper, now being practically a sheet of aluminum with paint. The posiblilities are endless. We could put these coating on shingles, windows, siding, roofs, and we probably could even put in on cars.
You can read the article at this link.
http://www.popsci.com/popsci/flat/bown/2007/green/item_59.html
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