Yes, these are actually courses from Massachusetts Institute of Technology published under a Creative Commons license CC BY-NC-SA (Attribution-NonCommercial-ShareAlike International). Here is a short video about us: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-XUM4lLbG5UY.html. See ocw.mit.edu/about/ for more information.