Science 101: What is X-ray Light?

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Argonne’s Science 101 series takes you back to the basics, with plain-language explanations of the scientific concepts behind our pivotal discoveries and our biggest innovations.

In this Science 101: What is X-ray Light video, scientists Jessica McChesney and Gilberto Fabbris explain what X-ray light is, and how they use it at Argonne’s Advanced Photon Source (APS).

X-ray light is high-energy light that exists on the electromagnetic spectrum (). This spectrum includes the range of all electromagnetic waves, from the longest waves with the lowest energy (AM radio), to those in the middle (visible light), to the shortest waves with the highest energy (gamma rays).

The APS at Argonne uses X-rays, which are on the end of the spectrum that has shorter wavelengths. The shorter wavelengths allow the X-rays to pass through many substances, which allows scientists like Jessica and Gilberto to peer deep into objects and discover new knowledge about the structure and function of materials.

The APS is one of the most powerful X-ray light sources in the world, and more than 5,500 scientists from around the world use this huge research facility each year to test new materials, build better batteries and find solutions for the biggest problems facing humanity.

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ABOUT ARGONNE
Argonne National Laboratory seeks solutions to pressing national problems in science and technology. The nation’s first national laboratory, Argonne conducts leading-edge basic and applied scientific research in virtually every scientific discipline. Argonne researchers work closely with researchers from hundreds of companies, universities, and federal, state and municipal agencies to help them solve their specific problems, advance America’s scientific leadership and prepare the nation for a better future. With employees from more than 60 nations, Argonne is managed by UChicago Argonne, LLC for the U.S. Department of Energy’s Office of Science.

The U.S. Department of Energy’s 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, visit the Office of Science website.