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TED-Ed

Why doesn’t the Leaning Tower of Pisa fall over? - Alex Gendler

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19,629 Questions Answered

TEDEd Animation

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In 1990, the Italian government enlisted top engineers to stabilize Pisa’s famous Leaning Tower. There’d been many attempts during its 800 year history, but computer models revealed the urgency of their situation. The tower would topple if it reached an angle of 5.44 degrees— and it was currently leaning at 5.5. What gives the tower its infamous tilt? Alex Gendler explores the monument's history.

Watch the video and finish the Think section to complete the lesson.


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Meet The Creators

Educator
Alex Gendler
Director
Vicente Nirō, AIM Creative Studios
Narrator
Addison Anderson
Producer
Tom Knight
Composer
André Aires
Sound Designer
André Aires
Storyboard Artist
Vicente Nirō
Illustrator
Vicente Nirō
Animation
Vicente Nirō, Mirta Brkulj
Director of Production
Gerta Xhelo
Editorial Producer
Alex Rosenthal
Associate Producer
Bethany Cutmore-Scott
Associate Editorial Producer
Dan Kwartler
Fact-Checker
Eden Girma

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