Convert an Image into Black & White with Preview in Mac OS X

Want to convert a color picture to a beautiful black and white version? Believe it or not, you don’t need any fancy apps like Adobe Photoshop, Pixelmator, or even iPhoto to convert images into black and white, all you need is Preview, which is the preinstalled basic image viewing Mac app that comes with Mac OS X. That means there is no need to buy any additional apps or plugins, you can do it all for free right with the Macs built in tools, and you’ll get a surprising level of control with some impressive results, giving your images that Ansel Adams look in just a few moments.

Quitting out of running apps in modern versions of iOS is a bit different than it was before, but once you get the hang of using the new multitasking screen, you’ll find the change is for the better. Not only can you use this to close out of a single app, but with a simple multitouch gesture you can also quit out of multiple apps at the same time.
A handy terminal command will show a list of all apps installed on a Mac that have come exclusively from the Mac App Store. This can be helpful for a variety of reasons, like when building a list of apps you may want to replace from outside the official App Store channels if you’re migrating machines, or if you’re working on a remote Mac through 
Hard drive failures are never fun but they are a fact of computing life whether you use a Mac or PC. Sometimes drives can truck along for many years before going bad, and other times you wind up with a drive that goes kaput after just a few months of normal use. Regardless of when it happens (and it will), we’re going to focus on the most simple method of retrieving crucial files and data from the failing drive. 

The iTunes Radio music service offers a great way to listen to your favorite songs and also find new music, and with some minor adjustments you can tune any station to prefer either the hits, wander more into discovery, or a mixture of the both. These three tuning settings are named appropriately, and can be described loosely as the following:





Hot off the heals of the 