"This experiment determines what happens when a negative is superimposed upon its own positive image. The center of the picture forms the optical soundtrack on both left and right screens so that what you see finds its aural equivalent in sound." - Anthology Film Archives
Surface Tension (1976) is a feature movie in US. It was directed by William Raban. With a runtime of 13m, the film is available in full HD.
To watch Surface Tension online free in HD, press Watch Now above and pick any server; the movie plays instantly on MyFlixer with no account needed. If you like feature movies, Empire of Dreams: The Story of the Star Wars Trilogy, Young Frankenstein and Swan Song are worth adding to your list.