This image shows the SARS-CoV-2 virus's main protease, Mpro, and two strands of a human protein, called NEMO.


A half-mile-long stretch of tunnel in Menlo Park, California is now colder than most of the universe.
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Staff engineer Bruis van Vlijmen demonstrates how he works in the Battery Informatics Lab at SLAC.

SLAC’s Chris Kenney holds a 16-module, 2.2-megapixel ePix10k X-ray camera.

Last cryomodule unload, #41 from Fermilab F1.3-06. This one will be one of a few spares for LCLS-II.

Kayla Ninh at LCLS’s ChemRIX Hutch 2.2 in Near Experimental Hall.


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

This illustration shows snapshots of the light-triggered transition of the ring-shaped 1,3-cyclohexadiene (CHD) molecule (background) to its stretched-out 1,3,5-hexatriene (HT) form (foreground).
