The Advanced Light Source (ALS) is a synchrotron radiation facility located at the Lawrence Berkeley National Laboratory in California. It produces intense beams of light across a wide range of wavelengths, from infrared to X-rays, which are used for various scientific research applications. Researchers utilize this light to study materials at the atomic and molecular levels, enabling advancements in fields such as biology, chemistry, and materials science. The ALS supports a diverse community of scientists by providing access to its advanced instrumentation and techniques. Experiments conducted at the ALS can lead to breakthroughs in understanding complex systems, developing new materials, and improving medical diagnostics. Its contributions are vital for both fundamental research and practical applications in technology and health.