Explore the origins of the universe in this 37-minute video from the World Science Festival's "Your Daily Equation" series. Delve into the concept of cosmic inflation and its role in sparking the Big Bang. Learn about repulsive gravity, fields, potential energy, and the slow roll inflation model. Discover how temperature variations across the sky provide evidence for inflationary theory and examine mathematical predictions supporting this groundbreaking idea. Gain insights into the possibility of an inflationary multiverse as Brian Greene presents complex cosmological concepts in an accessible and engaging manner.