Friday Free Stuff: NASA ebooks and code
27 January 2012

- their ebooks cover aeronautics, history and more. These are available in .epub format (for the majority of ereaders), .mobi (for Kindles), and .pdf (for computers or printing).
- code.NASA is an alpha release of a site showcasing a huge variety of open source projects including flight software, 3D aircraft modelling, solar physics, and data compression software.