Try science lectures on   [   you tube  ]   . You have to be selective , but there are some easy to follow lectures if you search .       ...-  CHOOSE THE FREE ONES - ... -




Here is just a sample link    http://www.open.edu/openlearn/about-openlearn/try?gclid=CNOH2cyAvLcCFY3HtAod31wA9w




Try this one to start      link http://www.open.edu/openlearn/science-maths-technology/science/physics-and-astronomy/galaxies-stars-and-planets/content-section-0


If these are too simple , search for some at a higher level. 




There are some for 1st year University Students.  




Richard  Feynman ,  




link http://www.youtube.com/watch?v=F0LCVp0C-Ck&list=PL7CBD2A8E7082A031










 Brian Cox




http://www.youtube.com/watch?v=8fbUiNQ0Buk

 etc







For  Prof Lewin




press on this link to activate Prof Lewin at MIT . http:// www.videolectures.net/mit801f99_lewin_lec01/








Then if you want the Real heavy stuff   there are some names that I can give you to search. ( Ed Witton ,  Frank Wilczec etc )




Or you can go direct to sites for their public lectures    SLAC   Princetown University etc