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Curated by: Lectures by Walter Lewin. They will make you ♥ Physics. (16 videos)
According to our best theories of physics, the fundamental building blocks of matter are not particles, but continuous fluid-like substances known as 'quantum fields'. David Tong explains what we know about these fields, and how they fit into our understanding of the Universe. Watch the Q&A here: https://youtu.be/QUMeKDlgKmk Liked this video? Sign up as a YouTube channel members for perks, including early access to videos and exclusive Q&As: https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/join David Tong is a professor of theoretical physics at Cambridge University, specialising in quantum field theory. The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter #QuantumFields #DavidTong #TheoreticalPhysics #BuildingBlocksOfUniverse, #QuantumMechanics #quantumphysicsexplained #quantumphysics #sciencelecture --- Chapters: 0:00 Introduction 3:09 The periodic table 6:00 Inside the atom 11:27 The electric and magnetic fields 33:32 The new periodic table 35:06 Four forces 37:42 The standard model 39:08 The Higgs field 42:25 The theory of everything (so far) Electromagnetism 44:01 There's stuff we're missing 45:49 The Fireball of the Big Bang 47:17 What quantum field are we seeing here? 49:21 Back on Earth 50:30 Ideas of unification