Metal surfaces require careful observation, and this drawing tutorial focuses on how to accurately render stainless steel ...

The pen tool in Photoshop and Illustrator is a fantastic way to draw, but it's hard to get the hang of using it. The Bézier Game is an interactive tutorial that teaches you how to use it. The pen tool ...

BackTrack 5, code named “Revolution”, the much awaited penetration testing framework, was released in May 2011. It is a major development over BackTrack4 R2. BackTrack 5 is said to be built from ...