HET Seminar (February 19 through April 30) Friday, February 21 11:00 AM Murat Kologlu: Detector operators in quantum gravity Friday, February 28 11:00 AM Oliver Philcox: Particle Colliders in the Sky — Learning 10^13 TeV physics with 10^-16 TeV data Friday, March 21 11:00 AM Fundamental Physics from Cosmic Large Scale Structure Friday, April 4 11:00 AM Light Axion Dark Matter: Old Challenges and New Ideas Friday, April 18 11:00 AM J. Muñoz: Cosmological puzzles from JWST