Where Are All The Hidden Dimensions?

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Written by Joseph Conlon
Professor of Theoretical Physics, University of Oxford
Author, Why String Theory? https://www.amazon.com/Why-String-Theory-Joseph-Conlon/dp/1482242478

Edited and Narrated by David Kelly
Thumbnail Art by Ettore Mazza
Huge thanks to Oliver Knill for the use of his Calabi-Yau imagery, and Jeff Bryant for his.

Footage from Videoblocks, Artgrid. Footage of galaxies from NASA Goddard.

Image Credits:

Democritus By Didier Descouens - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=81966238

Aspen Centre for Physics By Éamonn Ó Muirí - Flickr: The Aspen Center for Physics, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=23516453

Silesia By derivative work: Dunmerr (talk) - Wroclaw_1.jpg, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=4328944

String theory SriVrushank(1840372), CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

String theory t duality calculations Andrius.v, CC BY 3.0 https://creativecommons.org/licenses/by/3.0, via Wikimedia Commons

Mobius Strip By 09glasgow09 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=7342809

By Alex P. Kok - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=93778671

Klein bottle By Tttrung - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=960446

Roman surface By en:user:A13ean - Transferred from en.wikipedia to Commons by Keyi., CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=5535064

Calabi Yau Manifold By The original uploader was Lunch at English Wikipedia. - Transferred from en.wikipedia to Commons by Lunch. This diagram was created with Mathematica., CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=3466278

Quintic By The original uploader was Floriang at German Wikipedia. - Transferred from de.wikipedia to Commons by Trockennasenaffe using CommonsHelper. This diagram was created with Mathematica., CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=12895895

Plant cells By Des_Callaghan - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=35894254

00:00 Introduction
04:15 The Fifth Dimension
10:03 A Theory of Strings
16:30 Visualizing The Invisible (Calabi-yau Manifolds)
22:31 Where Are The Hidden Dimensions?
33:01 Hunting For Evidence At The Beginning Of Time

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