Gears

Need help calculating gear ratios or creating gear boxes? Perhaps you have question about how the worm gear works? Maybe you just want to share what your favorite gear in the Mindstorms set is? Here is the place to talk about gears!

Also, if you feel like reading about gears, here(link) is a good post.

Programming

Is your NXT not doing what you're telling it to? Are you wondering what certain blocks are for? Maybe you need to know how to set up bluetooth between two Intelligent Bricks? Ask questions about programming here.

Also, feel free to check out these posts about programming:

NI LabVIEW for LEGO Mindstorms

When Your Program gets too Large

Again, and again, and again... the never ending loop for beginners

Three Ways to Accelerate

Building

Perhaps you're thinking, "What in the world is that piece supposed to be used for?" Or maybe you can't decide what to build next. Would you like to share your favorite creation with us? Here is a discussion page for anything you have built, are currently building, or are planning to build. Enjoy.