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Enjoy 10% discount and free shipping on all Hoverpens with code HOTU: North America u0026 other countries: https://bit.ly/HOTU_novium UK u0026 Europe: https://bit.ly/HOTU_noviumeu -------------------------------- Written by Antonio Padilla Check out his fantastic book here: https://www.amazon.com/Fantastic-Numbers-Where-Find-Them/dp/0374600562 Huge thanks to Prof. Derek Leinweber for his visualisations at http://www.physics.adelaide.edu.au/theory/staff/leinweber/VisualQCD/Nobel/ Narrated by David Kelly Edited by Manuel Rubio and David Kelly Thumbnail art by Ettore Mazza: https://www.instagram.com/ettore.mazza/?hl=en Sound Editing by Craig Stevenson Animations by the superb Jero Squartini https://www.fiverr.com/share/0v7Kjv using Manim - MIT License, (c) 2020-2023 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/File:Geckofot.jpg https://oac.cdlib.org/ark:/28722/bk0016t4c52/?brand=oac4 https://commons.wikimedia.org/wiki/File:CERN_OpenDays_@_LHC_02.jpg https://en.wikipedia.org/wiki/File:View_inside_detector_at_the_CMS_cavern_LHC_CERN.jpg 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