Open Courseware can be one the best ways to explore new topics. The Massachusetts Institute of Technology has one of the best sites for open courseware. They provide lecture notes, exams, and videos on their website. Course subjects range from the social sciences to business management. Computer science has always been a strong topic for MIT and many courses can found with an easy search. The courses are free and provide a strong educational resource for society.
To view the MIT Open Couseware website, please click here: