(Cross-listed as PHYS 094) The grading mode for this course can be either graded or credit/no credit (CR/NC). 0.5, 1, or 2 credits. Fall 2025. Staff. Spring 2026. Staff. Fall 2026. Staff. Spring 2027. Staff. Fall 2027 Staff. Spring 2028 Staff. Catalog chapter: Physics and Astronomy Department website: http://www.swarthmore.edu/physics-astronomy