Digital addiction is a very real threat.

A fascinating journey into the mind-bending world of prime numbers

Cicadas of the genus Magicicada appear once every 7, 13, or 17 years. Is it just a coincidence that these are all prime numbers? How do twin primes differ from cousin primes, and what on earth (or in the mind of a mathematician) could be sexy about prime numbers?...

• Understand and utilise the features of OpenCV, Android SDK, and OpenGL
• Detect and track specific objects in a video using Optical Flow and Lucas Kanade...

When I started playing with the first-generation iPhone back in 2008, I was amazed by the simplicity and versatility of the smart phone. With the iPhone in hand, I could take pictures, navigate with GPS, tell time, and of course, play games—especially when I was bored while waiting in line at the DMV for my license plate....

In the five months that I have been researching and writing Cloud Computing Bible, it has become clear to me that most people recognize that cloud computing is a big deal, even if they are not really clear why that is so. Every day newspaper and magazine articles and radio and TV stories report on cloud computing. The phrase “in the...

Contextual computing has been around for several years with a variety of names such as pervasive computation and omnipresent computing. Recently there has been a drive toward making personal digital assistants (PDAs) more aware of their environment. For example, a cell phone may sense that it is in a conference room and reason that it should...

According to Wordnet, a rule is “a principle or condition that customarily governs behavior” or “a prescribed guide for conduct or action.” Businesses, and organizations in general, operate under a number of rules: rules about what services to offer and to whom; rules about how much to charge for those services;...

From the moment you're born, you enter the data stream-from birth certificates to medical records to what you bought on Amazon last week. As your dossier grows, so do the threats, from identity thieves to government snoops to companies who want to sell you something. Computer Privacy Annoyances...