Solar cell breakthrough: 40% efficiency achieved

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Matt @ Dec 6th 2006 4:04PM

Well, to start I would imagine that they are waiting for an actual product. Just because something worked in a laboratory doesn't mean you can all of the sudden stroll on down to your local Walmart and pick one up.

While a 40% efficiency rate is a tremendous breakthrough, there are probably still a lot of problems to solve. For instance, how much does it cost to manufacture one? Doubling the energy output doesn't help a hole lot if it costs 3 times as much to make one.

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