Physics Department Colloquia (April 3 through June 30) Tuesday, April 14 3:30 PM Jerome Mertz Colloquium: Building better microscopes Tuesday, April 21 3:30 PM Chertok Lecture: Claudio Campagnari, "Physics at the Large Hadron Collider" Tuesday, April 28 3:30 PM Adam Riess Edmond's Colloquium: The Hubble Tension