"In this interactive activity adapted from the Wisconsin Online Resource Center, explore how data are transmitted in computer systems. Animated diagrams illustrate how data are transferred in parallel form inside a computer, and then converted to serial form for transmission over long distances. Learn about bandwidth capacity techniques, including how modems convert the binary data into analog signals" - from the Teachers Domain Media Resources for Higher Education
This add-on for Firefox, Chrome, and Opera browsers automatically detects Creative Commons material on a website and formats a rough attribution. Definitely worth downloading!
A website which features videos from a growing number of colleges and universities, including a few Australian. While many of the videos take a marketing perspective, you can also browse the categories for a specific subject area.
"Many Flickr users have chosen to offer their work under a Creative Commons license, and you can browse or search through content under each type of license."