Visit the National Synchrotron Light Source II

NSLS-II now offers free monthly public tours of one of the newest, most advanced synchrotron light sources in the world

NSLS-II public tours

Have you ever wanted to see high-end scientific instrumentation? Learn more about large research facilities?

You are in luck. Brookhaven National Laboratory’s National Synchrotron Light Source II (NSLS-II) now offers free monthly public tours of this large, donut-shaped x-ray facility. These educational tours are held the first Wednesday of every month from 1 to 2 p.m.

If you would like to visit the facility, please sign up at this website.

Registration is required and space is limited. There are no costs associated with these tours. All visitors must be at least 16 years old.

NSLS-II is pleased to welcome all visitors who are interested in learning about how a synchrotron light source works, hearing about some of the science done at the facility, and touring the experimental floor.

We look forward to seeing you at NSLS-II!

What is NSLS-II?

From batteries and microelectronics to drug design and future quantum computers, scientists advance our understanding of materials every day to solve the world’s greatest challenges. However, today's problems are so complex that they require researchers to study materials with highly specialized tools that are not readily available at most institutions. That’s where the National Synchrotron Light Source II (NSLS-II)—a U.S. Department of Energy Office of Science User Facility—comes in.

As one of the newest, most advanced synchrotron light sources in the world, NSLS-II enables its multinational research community to study materials with nanoscale resolution and exquisite sensitivity by providing cutting-edge capabilities. Together with visiting researchers from all around the world, interdisciplinary teams at NSLS-II uncover the atomic structure, elemental make-up, and electronic behavior of materials. By creating this new, deeper understanding of materials, these research teams advance our knowledge in a wide range of scientific disciplines such as life sciences, quantum materials, energy storage, advanced materials science, physics, chemistry, and biology.

Learn more about the facility on the NSLS-II About Page.

Brookhaven National Laboratory is supported by the Office of Science of the U.S. Department of Energy. The Office of Science is the single largest supporter of basic research in the physical sciences in the United States and is working to address some of the most pressing challenges of our time. For more information, please visit

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2023-21138  |  INT/EXT  |  Newsroom