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If you like this video, check out writer Geraint Lewis´ excellent book, cowritten with Chris Ferrie:
Where Did the Universe Come From? And Other Cosmic Questions: Our Universe, from the Quantum to the Cosmos
https://www.amazon.com/WhereUniverse...

AND check out his YouTube channel:

   / alaslewisandbarnes  

Incredible thumbnail art by Ettore Mazza, the GOAT: https://www.instagram.com/ettore.mazz...

Animations by the superb Jero Squartini https://www.fiverr.com/share/0v7Kjv using Manim MIT License, (c) 20202023 3Blue1Brown LLC

Music from Silver Maple, Epidemic Sound and Artlist.

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

World line animation By Cyp Own work, CC BYSA 3.0, https://commons.wikimedia.org/w/index...

00:00 Introduction
05:18 What Is Light?
12:58 An Invisible World
21:11 An Impossible Particle
30:54 Both And Neither
46:52 The Life of a Photon

#quantum #relativity