'Tis the season to cut bagels into interlocked halves!! LEARN MORE: George Hart's article: https://www.georgehart.com/bagel/bagel.html George Hart's video: https://www.youtube.com/watch?v=dN8AwGUaqDA Eugenia Cheng's video: https://www.youtube.com/watch?v=NRvK_07KRV8 more about Möbius strips and tori: http://web1.kcn.jp/hp28ah77/us27f_mobi.htm Subscribe to quarterly deliveries of my favorite science+math toys: https://www.curiositybox.com/ https://twitter.com/tweetsauce https://www.instagram.com/electricpants/ Vsauce PO Box: PO Box 33168 L.A. CA 90033 ***CREDITS*** Hosted by Michael Stevens Edited by Hannah Canetti (https://www.instagram.com/hannaynaycanaynay) VFX by Jack Merline Music from AudioNetwork (https://www.audionetwork.com) ***VSAUCE LINKS*** Vsauce1: http://youtube.com/vsauce1 Vsauce2: http://youtube.com/vsauce2 Vsauce3: http://youtube.com/vsauce3