One green feature of the museum is a wide band of photovoltaic cells, more than 60,000 of them, which produce 213,000 kilowatt hours annually, between 5 percent and 10 percent of the facility's entire power usage.
September 19, 2008 4:00 AM PDT
Photo by: Daniel Terdiman/CNET News
| Caption by: Daniel Terdiman
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