Cover image courtesy of ESA: https://www.esa.int/ESA_Multimedia/Images/2007/07/The_Bullet_Cluster2 Article by Olivia Fann and Fernanda On October 17, 2023, the bottom floor of the Science Center was filled with professors and students enjoying refreshments and conversation. It was time for the weekly Physics Colloquium, a public talk given by a visiting scholar on a topic relevant to their…