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A close up of a single ball, 300 nm across. The ball is made up of 15 nm grains.  (Source: University of Washington)

Millions of the balls compose a layer of the solar cell.  (Source: University of Washington)

The thin light-absorbing zinc oxide surface, pictured here in a picture from a scanning electron microscope, is about 10 um thick, and composed of the popcorn ball like structures.  (Source: University of Washington)
While not very tasty, these balls are extra efficient





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RE: Encouraging But ...
By masher2 on 4/14/2008 9:37:55 AM , Rating: 2
> "I was simply rebutting your assertion that it was unfeasible or unlikely to ever work under the ocean"

Ah, point taken. However, I didn't say it would never work, just that it was unfeasible at least for the next 50 years.

By 2100 or so, though, who knows?


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