Sunday, January 29, 2012

A List Apart: Articles: A Pixel Identity Crisis

A List Apart: Articles: A Pixel Identity Crisis: "Why does the 640px × 960px iPhone 4 claim to be 320px × 480px in the browser? The truth is that there are two different definitions of pixels: they can be the smallest unit a screen can support (a hardware pixel) or a pixel can be based on an optically consistent unit called a “reference pixel.”"

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