You have to read down in the comments, someone really knows more than the so-called author of this article. I've re-arranged the points to put the most damaging one at the top, which I've personally checked.

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What is very interesting is if you look at the animation of Dr. Ready's solar cell, at http://www-stage.gatech.edu/news-room/flash/CNTpv.html you'll notice that the graphics in the photo of this Oregon boy's presentation are the spitting image of Dr. Ready's.