![Arial view of a round building with a domed roof with the bay in the background at sunset](https://energysciences.lbl.gov/wp-content/uploads/sites/2/2023/07/Resized_Berkeley-Lab-at-Sunset-890px-890x558.jpg)
The ALS is an Office of Science user facility that serves as one of the world’s premier sources of X-ray, infrared, and ultraviolet light for scientific research ranging from advanced materials and novel chemistry to protein crystallography and 3D biological imaging.
![A woman wearing PPE holds and observes a small capsule at arm's length](https://energysciences.lbl.gov/wp-content/uploads/sites/2/2023/07/XBD201909-00842-003-890px.png)
CSD is the home of fundamental research in chemistry and chemical engineering at Berkeley Lab, with a portfolio that spans from atomic to macroscopic scales and from the timescales of electron motion to chemical transformations. Research in CSD provides a basis for new and improved energy technologies and for understanding and mitigating the environmental impacts of energy use.
![A man with PPE manipulates a small flat piece of material inside an open-sided microwave oven-sized machine](https://energysciences.lbl.gov/wp-content/uploads/sites/2/2023/07/XBD-202207-097-001-890px.png)
In MSD, researchers advance the fundamental science of materials within the context of global energy-related challenges, developing techniques to design, discover and understand materials for a wide range of applications, including solar cells, computer chips, and nanoscale devices. Through their core programs and research centers, they cultivate a collaborative and interdisciplinary approach to materials research and help train the next generation of materials scientists.
![Mentor and intern working in laboratory in lab coats and with rubber gloves](https://energysciences.lbl.gov/wp-content/uploads/sites/2/2023/07/XBD201910-00909-005-890px.png)
The Molecular Foundry is a DOE Office of Science user facility for nanoscale science, providing researchers from around the world with access to cutting-edge expertise and instrumentation in a collaborative, multidisciplinary environment. Home to state-of-the-art and often one-of-a-kind instruments, the Molecular Foundry has laboratories for materials science, physics, chemistry, biology, and molecular biology.