Open Source Cola

"While Pepsi and Coca-Cola (and others) closely guard their secrets to making cola beverages, several organizations have released their own recipes. Below is the recipe for homemade "OpenCola," an open-source cola beverage that invites makers to create and modify their recipe to achieve a better beverage. It is licensed under the GNU General Public License."

How to Make OpenCola

For you crafty, Sci-Fi types

Here's a really cool gallery of Papercraft models (all downloadable as PDFs), including this insanely detailed one for an AT-AT: