The end will come, but how? Katie Mack, the brilliant cosmologist and author of the new book The End of Everything (Astrophysically Speaking) is here to blow our minds and honestly, change our perception of ... EVERYTHING! Also, go buy her book! We loved it, it made us laugh, cry, challenged us and explained complex concepts of physics in the most incredible and simple ways. We love Katie, we love this convo and we LOVE HER BOOK! Check out more at https://www.sidenotepodcast.com