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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 Brief

Scientists developed a groundbreaking technology that allows them to see sound waves and microscopic defects inside crystals, promising insights that connect ultrafast atomic motion...

CXI hutch
News Release

With up to a million X-ray flashes per second, 8,000 times more than its predecessor, it transforms the ability of scientists to explore atomic-scale...

LCLS-II first light
Feature

X-ray laser studies help researchers identify early steps in the freezing process to better understand how clouds make ice and their effect on climate.

supercooled water droplets
Feature

They used synthetic diamond crystals as mirrors to make X-ray pulses run laps inside a vacuum chamber, demonstrating a key process needed for future...

Two scientists in a control room full of computer monitors that allow them to adjust diamond mirrors in their CBXFEL experiment
Feature

Leora Dresselhaus-Marais, Claudio Emma,  Bernhard Mistlberger and Johanna Nelson Weker will pursue cutting-edge research into decarbonizing steel production, theoretical physics, generating more intense particle...

This photo shows all four recipients from SLAC and Stanford of the DOE's 2023 Early Career Award
Feature

Bringing ultrafast physics to structural biology has revealed the coordinated dance of molecules in unprecedented clarity, which could aid in the design of new...

molecular control
News Release

After decades of effort, scientists have finally seen the process by which nature creates the oxygen we breathe using SLAC’s X-ray laser.

Photosystem II
News Release

New SLAC-Stanford Battery Center bridges the gaps between discovering, manufacturing and deploying innovative energy storage solutions. 

Illustration showing a battery researcher at left, a battery at center and a grid of battery applications at right.
Feature

Once built, the system could produce fast X-ray pulses ten times more powerful than ever before.

illustration of an electron beam traveling through a niobium cavity – a key component of SLAC’s future LCLS-II X-ray laser.
Feature

To invent a new tool for studying how chemicals react at interfaces, researchers shoot tiny jets of oil and water at each other and...

Rainbow colors in a sheet of layered liquids
Feature

The award celebrates Huang’s achievements studying atom-scale physics with fast X-ray pulses.

Yijing Huang at Stanford University
Feature

They saw how the material finds a path to contorting and flexing to avoid being irreversibly crushed.

MEC silicon