What Actually Are Space And Time?


Incredible thumbnail art by Ettore Mazza, the GOAT: https://www.instagram.com/ettore.mazza/?hl=en

Art created by soso112429, and Joe from History Dose: www.youtube.com/historydose

Thanks to Alexander Long for speculative fiction suggestions.

Music from Silver Maple, Epidemic Sound and Artlist.

Stock footage from Videoblocks and Artgrid, images of galaxies from NASA and ESO/Hubble.

Image Credits:

Steam engine Tfme, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons

Caesium Clock By Binarysequence - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=24592511

Arecibo By Mariordo (Mario Roberto Durán Ortiz) - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=81583884

World line By Cyp - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=283995

Roger Penrose By Cirone-Musi, Festival della Scienza, CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=19318743

Wormhole By MikeRun - Own work, using Wurmloch (Wormhole) by MrFreakmanis (CC BY-SA 3.0) (https://www.thingiverse.com/thing:190022), CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=100253460

Dirac Plaque By Nightryder84 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15872966

Spacetime Cone By SVG version: K. Aainsqatsi at en.wikipedia Original PNG version: Stib at en.wikipedia - Transferred from en.wikipedia to Commons. (Original text: self-made), CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2210907

00:00 Introduction
04:59 What Is Space?
14:45 What Is Time?
25:26 New Space
44:16 New Time
1:00:09 Quantum Spacetime

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