Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

The new guide gives additional clarity on a range of areas, including clearer definitions and visual examples of uneven tyre wear.

This is the site for the United Nations Millennium Development Goals. Here you will find information and links.

News about the state of the media. Trends in broadcast and print media, television, and radio journalism. Download podcasts and RSS feeds.