Professor Walter H.G. Lewin is quite famous for his lectures on physics at MIT. Professor Lewin is heavily involved in studying x-ray sources. He brings astrophysics into his lecture when ever possible. The three lecture series is open source and includes:
![Image]() 
    
                        
                - Physics I: Classical Mechanics
- Physics II: Electricity and Magnetism
- Physics III: Vibrations and Waves
 
 
 
 
 
 
 
