Mac News: By the numbers: Microsoft’s Surface vs. Apple’s iPad   
While there is much more to both Microsoft’s new Surface tablet computer and Apple’s iPad than pure specifications, the physical and technological differences between the two devices are likely to play a part in which device tablet PC buyers might ultimately favor.    
Read full story => Macworld

Technology News: Plexxi wants to put data center networks on a high fiber diet   
Networking is the current big bottleneck in scale-out and virtualized data centers. It’s also the hottest hardware area around with startups such as Embrane, Nicira, BigSwitch, Vello Systems and more creating fabrics, controllers and alternatives to the current networking regimes in place. Now we can add Plexxi to that list.    
Read full story => gigaom

Programming News: The Start of a Long Journey: How Ruby Parses and Compiles Your Code   
This is an excerpt from the beginning of an eBook I’m writing this Summer called “Ruby Under a Microscope.” My goal is to teach you how Ruby works internally without assuming you know anything about the C programming language. If you’re interested in Ruby internals you can sign up here and I’ll send you an email when the eBook is finished.    
Read full story => Pat Shaughnessy

Other News: IBM helps U.S. regain world’s top supercomputer spot   
The United States, knocked from its top spot by China in 2010 and Japan in 2011, once again has the world’s fastest supercomputer, says a biannual scorecard Monday. Top speed went to the Department of Energy’s IBM BlueGene/Q system, nicknamed Sequoia, at its Lawrence Livermore National Laboratory in Livermore, Calif., according to the Top500 list released Monday at the 2012 International Supercomputing Conference in Hamburg, Germany.    
Read full story => USAtoday