The Stanford Linear Accelerator Center (SLAC) is a research facility located in Menlo Park, California. It is operated by the U.S. Department of Energy and is known for its linear particle accelerator, which is one of the longest in the world. SLAC conducts experiments in various fields, including particle physics, materials science, and biological research. SLAC is home to several major research projects, including the Linac Coherent Light Source (LCLS), which produces extremely bright X-ray pulses for studying the structure of materials at the atomic level. The center collaborates with scientists globally, contributing to advancements in our understanding of fundamental physics and the universe.