World Science U is a new site featuring hundreds of short videos explaining dozens of topics in physics. The site also includes free short online courses for high school and college students. Visitors to World Science U can browse for videos by theme and topic. Select a theme to open a menu of topics within that theme. Learn more about World Science U in the video below.
The courses available through World Science U are completely free. The courses include discussion forums and assessments by which you can measure your progress.