Vsauce's video: The Napkin Ring Problem

Brain Candy Live FALL TOUR: http://www.braincandylive.com/tickets The Curiosity Box: https://www.curiositybox.com/ LINKS TO LEARN MORE BELOW! my twitter: http://www.twitter.com/tweetsauce Adam and I (but mainly Adam) making a kendama: https://www.youtube.com/watch?v=i8GD33DsRw8 Orange Oil: https://en.wikipedia.org/wiki/Orange_oil Napkin Ring Problem: https://en.wikipedia.org/wiki/Napkin_ring_problem Cavalieri's Principle: https://schoolyourself.org/learn/geometry/cavalieri-3d https://en.wikipedia.org/wiki/Cavalieri%27s_principle http://www.cut-the-knot.org/Curriculum/Calculus/Cavalieri.shtml BIG THANKS: Eric Langlay stayed up all night with me so that this video could come out today. MUCH LOVE https://www.youtube.com/user/ericdraven30 Grant from 3Blue1Brown helped me wrap my head around this topic: https://www.youtube.com/channel/UCYO_jab_esuFRV4b17AJtAw music by Jake Chudnow: https://www.youtube.com/user/jakechudnow and via AudioNetwork: https://www.audionetwork.com