Summer 2023 update 2: NCERC experiments

In July 2023, Cat and Brice spent a week 2 hours northwest of Las Vegas, NV, at the National Criticality Experiments Research Center (NCERC) conducting measurements on various nuclear material assemblies along with two other NNSA NA-22 consortium University teams (UIUC, UM). IMAGES APPROVED FOR PUBLIC RELEASE IAW LA-UR-23-29446; DISTRIBUTION IS UNLIMITED.