Dan does sensors: a detailed discussion

Dan's Data is the geekiest of the geek sites, a one man operation by a guy who knows all, writes all. Today he does camera sensors: Enough already with the megapixels. He doesn't do it all in this one article (omitted: CMOS vs. CCD, why big sensors still want a prism ...) but he covers the details better than anything else I've read. I learned a few things ...