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Questions about Apple's liquid crystal displays that, according to Apple, have a high enough pixel density that the human eye is unable to notice pixelation at a typical viewing distance.

2 votes

Retina to actual pixels

What @Rafael said: A retina device declares one thing and does another is exactly right... i.e. CSS pixels are not always equal to the actual rendered pixels. … As for the images, websites can be programmed to swap out an image for a higher quality version (2x or 3x) if a retina device is detected. This is why you would provide multiple to the developer. …
Greg Venech's user avatar