(Ars Technica) โ A few weeks ago, Apple updated its iMac desktop line with โRetinaโ displaysโan Apple marketing term used to denote LCDs with a pixel density high enough that individual display elements are invisible to the unaided eye at typical viewing distances. On Appleโs iPhones, the โRetinaโ moniker means a PPI of at least 300; for […]

