View full lesson here: http://ed.ted.com/lessons/why-the-size-of-your-screen-matters-brian-gervase

Watching a movie at home isn't quite the same experience as seeing it at a movie theater -- but why? Learn how changes in aspect ratio affect every film, and why your television might not be delivering the whole picture.

Lesson by Brian Gervase, animation by Andrei Feheregyhazi.

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