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SLAC is the world’s leading center for developing “ultrafast” X-ray, laser and electron beams that allow us to see atoms and molecules moving in just millionths of a billionth of a second. We can even create stop-action movies of these tiny events.

DOE explains...Ultrafast science

This illustration shows how the first experiment at SLAC's Linac Coherent Light Source X-ray laser stripped away electrons from neon atoms. (SLAC National Accelerator Laboratory)

News Feature

Learn about X-ray detectors from Gabriella Cabrini, scientist at the Linac Coherent Light Source.

News Feature

Physicist Phil Bucksbaum gives a brief introduction to Femtosecond Week at SLAC.

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SLAC celebrates five days of ultrafast science.

Press Release

Join us for five days of ultrafast science from April 17 to 21.

News Feature

A new paper describes a way to fabricate glasses that can correct X-ray focusing problems at synchrotrons and X-ray lasers.

News Feature

A research collaboration designed a new assembly-line system that rapidly replaces exposed samples and allows the team to study reactions in real-time.

Press Release

New X-ray methods have captured the highest resolution room-temperature images of photosystem II.

Press Release

SLAC’s X-ray laser provides clues to engineering a new protein to kill mosquitos that carry dengue and Zika.

Scientists shed light on the three-dimensional structure of BinAB and its mode of action.
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Understanding how a material’s electrons interact with vibrations of its nuclear lattice could help design and control novel materials, from solar cells to high-temperature...

Press Release

Just as Schroedinger's Cat is both alive and dead, an atom or molecule can be in two different states at once. Now scientists have...

Illustration of a molecule splitting into two Schroedinger's Cat states
Press Release

Method creates new opportunities for studies of extremely fast processes in biology, chemistry and materials science.

News Feature

A new device at the Department of Energy’s SLAC National Accelerator Laboratory allows researchers to explore the properties and dynamics of molecules with circularly...

Electrons spiral through the Delta undulator.