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The Linac Coherent Light Source at SLAC, the world’s first hard X-ray free-electron laser, takes X-ray snapshots of atoms and molecules at work, revealing fundamental processes in materials, technology and living things.

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Rooftop view of Linac Coherent Light Source (LCLS)

News Feature

An X-ray laser experiment could lead to new drugs that lessen the side effects caused by powerful painkillers like morphine.

Image - This rendering shows a type of cellular membrane protein known as a delta opioid receptor (purple) with a compound derived from a naturally occurring peptide (orange, blue and red) bound inside its “pocket.” The peptide compound shows promise as a
Press Release

Scientists have used an X-ray laser at SLAC to get the first glimpse of the transition state where two atoms begin to form a...

Illustration of a transition state in a chemical reaction.
Press Release

Technique Could Allow Study of Viral Infections, Cell Division and Photosynthesis in New Detail

A pond containing a visible bloom of cyanobacteria, with an artistic rendering of an individual cell
News Feature

Scientists have assembled an exotic toolbox for experiments that tap into the brightest X-rays on the planet.

Image - This illustration shows a cutaway view of a type of sample system used at the Linac Coherent Light Source X-ray laser that jets samples in a superthin liquid or gel stream into its X-ray pulses. This system is known as a gas dynamic virtual nozzle
News Feature

He’s known for exploring fundamental properties of novel materials on the nanoscale, and for developing new tools for the exploration.

Stanford and SLAC Professor Tony Heinz
News Feature

A scientist at Germany’s DESY lab who participated in pioneering studies at SLAC's LCLS has been awarded a scientific prize by a research foundation.

Image - Henry Chapman (DESY)
News Feature

Researchers captured the highest-resolution snapshots ever taken with an X-ray laser that show changes in a protein’s structure over time.

Image - This illustration depicts an experiment at SLAC that revealed how a protein from photosynthetic bacteria changes shape in response to light.
News Feature

An experiment at SLAC provided the first fleeting glimpse of the atomic structure of a material as it entered a state resembling room-temperature superconductivity...

Image - In a high-temperature superconducting material known as YBCO, light from a laser causes oxygen atoms to vibrate between layers of copper oxide in a way that favors superconductivity.
News Feature

SLAC and RadiaBeam Systems have teamed up to construct a “dechirper” that will allow scientists to adjust the “color spectrum” of X-ray pulses in...

News Feature

Scientists at the Department of Energy’s SLAC National Accelerator Laboratory are combining the speed and precision of robots with one of the brightest X-ray...

This illustration shows the components in an experimental setup used in crystallography experiments at SLAC's Linac Coherent Light Source X-ray laser.

In this lecture, SLAC’s Ryan Coffee explains how researchers are beginning to use pattern recognition and machine learning to study chemical reactions at the...

News Feature

Scientists have used SLAC’s X-ray laser to produce detailed images of tiny cellular structures that play a major role in Earth’s life-sustaining carbon cycle.

Image - A geometric structure from a bacterial cell, called a carboxysome, is struck by an X-ray pulse (purple) at SLAC’s Linac Coherent Light Source. (SLAC National Accelerator Laboratory)