There is such a wide variety of resources on the 'net that sometimes good ones go unchecked. One example of this is MIT’s OpenCourseWare. If you have not seen it, now is a good time. Five years ago today, in an unprecedented step toward making knowledge accessible worldwide, MIT announced
This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/mit-039-s-opencourseware-marks-5-years-of-educating-the-world