Why there are no perfect maps (and why we eat pizza the way we do)

Have you ever wondered why you ve never seen a perfect map Or why bending the side of your pizza keeps the toppings from falling off Surprisingly, these two everyday phenomena can be explained by one abstract mathematical theorem: Gauss amazing Theorema Egregium. This video is a submission to SoME2, the math explainer contest organised by 3b1b and James Schloss. REFERENCES: Other videos referenced (if you ve never heard about different map projections and the problems with them, I would recommend the videos by Map Men or Vox, they re my personal favourites): Map Men: Why every world map is wrong Vox: Why all world maps are wrong The Science of Everything: Why Every World Map You ve Ever Read is Wrong Newsy: Why most world maps are wrong Kayla Wolf on TedEd: Why every world map is wrong Nas Daily: World map is wrong