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Written by Antonio Padilla
Check out his fantastic book here: https://www.amazon.com/FantasticNumb...

Huge thanks to Prof. Derek Leinweber for his visualisations at http://www.physics.adelaide.edu.au/th...

Narrated by David Kelly
Edited by Manuel Rubio and David Kelly
Thumbnail art by Ettore Mazza: https://www.instagram.com/ettore.mazz...
Sound Editing by Craig Stevenson
Animations by the superb Jero Squartini https://www.fiverr.com/share/0v7Kjv using Manim MIT License, (c) 20202023 3Blue1Brown LLC
Galaxies, space videos from NASA, ESA and ESO.
Music from Epidemic Sound, Artlist, Silver Maple And Yehezkel Raz.
Stock footage from Videoblocks, Artgrid and Shutterstock.

Extra images from:
https://commons.wikimedia.org/wiki/Fi...
https://oac.cdlib.org/ark:/28722/bk00...
https://commons.wikimedia.org/wiki/Fi...
https://en.wikipedia.org/wiki/File:Vi...

00:00 Introduction
05:38 What Is Energy?
12:46 How Much Does The Universe Weigh?
25:24 The Nullpunktsenergie
45:06 The Cosmological Constant Problem