Visit https://brilliant.org/ScienceAsylum/ to get started for free and get 20% off your annual subscription. Is the speed of light finite? Or is it infinite? That depends on what geometry you're using and how you define speed. It's infinite in hyperbolic geometry, which is the proper geometry for spacetime. 00:00 Cold Open 00:49 Speed Basics 03:06 Rapidity 06:19 Hyperbolic Geometry 09:21 Infinite Speed of Light 10:26 Sponsor Message 11:15 Outro 11:38 Featured Comment Nick Lucid - Host/Writer/Editor/Animator ________________________________ VIDEO ANNOTATIONS/CARDS Length Contraction Explained: https://www.youtube.com/watch?v=TxW6_E3uLuo What if YOU were made of Light? https://www.youtube.com/watch?v=HU6t8QvGZmA ________________________________ SUPPORT THE SCIENCE ASYLUM Patreon: http://www.patreon.com/ScienceAsylum YouTube Membership: null Advanced Theoretical Physics (Paperback): http://www.lulu.com/shop/nick-lucid/advanced-theoretical-physics-a-historical-perspective/paperback/product-24250687.html Advanced Theoretical Physics (eBook): https://gumroad.com/l/ubSc Merchandise: http://shop.spreadshirt.com/scienceasylum/ ________________________________ HUGE THANK YOU TO THESE SUPPORTERS Asylum Counselors: Nikolaos Vasiloglou II Asylum Orderlies: Dhruv Singhal, Fabio Manzini, Medec Hurtz Einsteinium Crazies: Bosphorus, Eoin O'Sullivan, Ilya Yashin, Jonathan Lima, Joseph Salomone, OnlineBookClub, Sean K, Wacky, Blank NA, Flying Monkey, Christopher Schiele Plutonium Crazies: Al Davis, Compuart, Ellis Hall, Kevin MacLean, Rick Myers, Vid Icarus Platinum Crazies: Benjamin Dixon, Benjamin Reynolds, Clayton Bruckert, David Johnston, James Coley, Jon Adams, Jonas Wepeel, Jonathan Reel, Marino Hernandez, Mikayla Eckel Cifrese, Mr. Orn Jonasar, Olga Cooperman, Stephen Blinn, Stephen Gailey, Don Wilshe ________________________________ OTHER SOURCES http://hyperphysics.phy-astr.gsu.edu/hbase/Relativ/ltrans.html http://hyperphysics.phy-astr.gsu.edu/hbase/Relativ/tdil.html https://en.wikipedia.org/wiki/Rapidity ________________________________ LINKS TO COMMENTS https://www.youtube.com/watch?v=SbfQkIeunMY https://www.youtube.com/watch?v=SbfQkIeunMY https://www.youtube.com/watch?v=SbfQkIeunMY ________________________________ IMAGE CREDITS CERN Video: https://videos.cern.ch/record/2020780 https://www.youtube.com/watch?v=pQhbhpU9Wrg