Special Offer: Free IT Certification Study Guide Bundles and Practice Exams

We have an amazing offer for you guys today. In partnership with tradepub, the folks who help us with our IT resources center, we can now offer you access to a multitude of free IT Certification Study Guides and Practice Exams. These products all come from Examforce, a well-known publisher of practice material for IT […]

What keeps a train on the tracks while it’s turning?

Most people think that trains stay on the tracks while it’s turning because of the flanges on its wheels. Unfortunately, that’s wrong. Think about this as well – while there’s an axle connecting each of its adjacent wheels, there’s no differential in the middle of it. How does it turn without derailing? In the following […]



What does Apple’s Spotify approval mean for the app store?

Apple has given the thumbs up for the Spotify iPhone app. As well as being good news for music lovers, it may be a sign that Apple is feeling the heat over claims of anti-competitiveness in its approval policy. For those who’ve not encountered it (the service isn’t scheduled to launch in the US until […]

Wireless Electricity Demo

Eric Giler, CEO of MIT-inspired WiTricity, wants to untangle our wired lives with cable-free electric power. In the following video, he covers what this sci-fi tech offers, and demos MIT’s breakthrough version, WiTricity — a near-to-market invention that may soon recharge your cell phone, car, pacemaker. With this promising new technology, you may soon never […]

Easily Retrieve your License Keys With LicenseCrawler

LicenseCrawler is a free, portable tool to retrieve license keys and serial numbers from the depths of your hard drive. And while most of us keep our precious offline installation documentation in a “safe place,” so that we can “always find it,” having all these CD-keys available in a file is very convenient. Oh sure, […]