Astronomer Phil Plait to lecture about upcoming eclipse Feb 28 idsnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from idsnews.com Daily Mail and Mail on Sunday newspapers.
Apple devices have been running HiDPI screens smoothly for years, while Windows and Android still struggle at times to make it work. Here's a look at what "Retina" means and why it's still important.