Hi I highly recommend reviewing the World Science U at http://www.worldscienceu.com set for those interested in pursuing more detail in specific areas of physics and mathematics. This is an excellent site devoted to teaching science at various levels via short videos (Science Unplugged), Short Courses and university level courses (University Courses).
“WHETHER YOU ARE A HIGH SCHOOL STUDENT, SCIENCE MAJOR IN COLLEGE OR A LIFELONG LEARNER, WORLD SCIENCE U IS WHERE YOU CAN EXPLORE THE WONDERS OF SCIENCE GUIDED BY LEADING RESEARCHERS AND EDUCATORS.” (from World Science U site)
It is now offering a Summer Session on Special Relativity taught by Prof. Brian Greene from Columbia University,
