Did you know there are more ways to shuffle a deck of cards than there are atoms in the universe? Seems crazy, but it's true. Today The Why Files covers amazing math facts (and tricks) that will convince your friends you have super powers. Math is everywhere. It’s the source code of the universe. Most of the time math makes perfect sense. But sometimes math just gets…. weird. These math facts that will blow your mind. You'll learn about the Birthday Paradox, secrets of Pi, how to create numeric palindromes with your mind, and our favorite: the mysteries of the number nine. How many people do you need to get together before you find two that have the same birthday? Here's a hint: not that many. How quickly can you calculate 1,111,111 squared? We'll show you how to solve this in 5 seconds. You won't believe the answer when you see it. And nines? Nines have a whole thing going on. Multiplying by nines = magic. Squaring nines = pure sorcery! 〰 🙏 SUPPORT THE WHY FILES 🙏 (Fun, Free Perks!) 👽 BUY WHY FILES MERCH 👽 (Code: LIZZIDPEEPLE for 10% off first order) 💬 CHAT WITH US ON DISCORD 💬 〰 🌐 OFFICIAL WEB SITE: 🕵️ Submit a topic, suggestion or just say hi: 🕵️ 🎨 Have a product suggestion or want to design artwork for TWF? 🎨 📸 BE A WHY FILES MODEL (and get free stuff!) 📸 Send a photo of you/family/friends watching TWF, 📸 wearing TWF gear, using TWF merchandise: 📸 〰 🎧 THE PODCAST VERSION 🎧 〰 ⁍ TWF on SOCIAL (in order of importance) ⁍ ⁍ ⁍ ⁍ @thewhyfiles ⁍ 〰 🐠 BETTER CHANNELS TO WATCH: 🐠 🤓 --- Links and Sources Birthday Paradox String Girdling the Earth Folder Paper into Space Lily Pad Riddle The formula for how the nine squared pattern works Making history by shuffling a deck of cards Graham's Number Googol and Googolplex AJ's favorite big number calculator Numeric Palindromes Famous Palindromes --- Contents of this video --------------------- 00:00 - Making History 00:53 - Logo 00:57 - Introduction 01:51 - Birthday Paradox 03:02 - String Around the Earth 04:51 - Palindrome 1s 07:06 - Making History AGAIN 07:17 - Mysterious Nines 11:25 - Exponential Progression 15:30 - Factorials 19:13 - BIG Numbers 22:00 - Thanks for watching! 22:26 - Outtakes #math #science #numbers