Most of our experience comes from self-learning... perhaps less from the walls of classrooms: so to combine them both, the prestigous MIT has established the OpenCourseWare Site:
a free and open educational resource for faculty, students, and self-learners around the world. OCW supports MIT's mission to advance knowledge and education, and serve the world in the 21st century. It is true to MIT's values of excellence, innovation, and leadership.
* Is a publication of MIT course materials
* Does not require any registration
* Is not a degree-granting or certificate-granting activity
* Does not provide access to MIT faculty
In short, they publish the course materials for around 80 courses, for others to use in teaching at other institutions and, importantly, for people to work from in the comfort of their own homes.
A step forward in the Web of Knowledge...