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TED-Ed Original lessons feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed original? Nominate yourself here »

Meet The Creators

Andrei Feheregyhazi

Brian Gervase



Additional Resources for you to Explore

The Letterbox and Widescreen Advocacy Page is a great source for easy-to-understand information about aspect ratios, widescreen, the "black bars" on the top and bottom of your screen, pan-and-scan, and so much more!

For an indepth look at aspect ratios and other technical terms related to the size of your screen, visit this website:

For more information, visit this Wikipedia page. You'll find pictures, diagrams, and relevant links to help you understand aspect ratios:

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