Abstract: Spatial vectors are six-dimensional (6-D) vectors that describe the motions of rigid bodies and the forces acting upon them. In Part 1, we saw how spatial vectors can simplify the process of ...

Before we leap into the fray with gusto and abandon, if you are new to this series, you can quickly catch up with the rest of us by perusing and pondering our earlier columns (see Part 1, Part 2, Part ...

Abstract: A rigid body has six degrees of motion freedom, so why not use six-dimensional (6-D) vectors to describe its motions and the forces acting upon it? In fact, some roboticists already do this, ...

April Wilkerson shares a SketchUp tutorial for beginners (Part 1), helping you get started with this powerful 3D design tool. Life in Cuba is grinding to a halt under US oil blockade Justification ...

I don’t know about you, but although I like reading about electronics in a theoretical sort of way, there’s nothing I enjoy more than the hands-on building of something and then watching that thing ...

SQLite has an incredibly small footprint. The database itself, its DLLs and the complimentary diff and analyzer tools are less than 15 MB in size. It's perfect for small mobile devices, advanced ...

Java developers absolutely must learn Maven. Maven is the most popular and pervasive build tool in the Java world. Even if you don't use Maven directly, alternatives such as Gradle, Jenkins or Ivy ...

Two Games editors take you through the best ways to move up the ranks. By Isaac Aronow and Jackie Frere Isaac Aronow and Jackie Frere have fielded texts from their friends and families about the game ...