Animation
In photosystem II, the water-splitting center cycles through four stable states
![Photosystem II baseball](/sites/default/files/2023-05/psII_baseball_v03.gif)
Illustration
When light drives electron transfer in a molecular complex, the surrounding solvent molecules also rapidly move.
![When light drives electron transfer in a molecular complex, the surrounding solvent molecules also rapidly move.](/sites/default/files/styles/card/public/2022-10/electron_transfer_atomic_motions_artwork_final_1200x768.jpg?h=5baddcf8&itok=2DKOq0wV)
Illustration
Perovskites’ unusual response to light could explain the high efficiency of these next-generation solar cell materials.
![Perovskites’ unusual response to light could explain the high efficiency of these next-generation solar cell materials.](/sites/default/files/styles/card/public/2022-10/ued_perovskite_artwork_final_1200x768.jpg?h=422c88a6&itok=OczF7K8g)
Illustration
Scientists use a series of magnets to transform an electron bunch into a narrow current spike which then produces a very intense attosecond X-ray...
![XLEAP illustration](/sites/default/files/styles/card/public/2022-09/xleap_leadart_final_full_0.jpg?h=2213e3e4&itok=RE6Pc5l8)
Illustration
Researchers made the first microscopic movies of liquids getting vaporized by SLAC’s X-ray free-electron laser LCLS.
![First microscopic movies of liquids getting vaporized by SLAC’s X-ray free-electron laser LCLS.](/sites/default/files/styles/card/public/2022-09/5744437614ab6.jpeg?h=eb808868&itok=wEtVidF7)
Illustration
A cross section of the LCLS-II accelerator showing where liquid and gaseous helium flow in and out of the system.
![Cross section showing pipes and liquid and gas helium](/sites/default/files/styles/card/public/lclsII_2k_cooldown_sv_cryomodule_final.jpg?h=0cd817c1&itok=YxvqtfF8)
![Against a black background, thin, glowing red wires at top impinge on the hexagonal surface of a translucent mass. Small white dots travel along the edges of the surface in two directions. Within the mass, two orange cones meet at their tips.](/sites/default/files/styles/card/public/probing_topological_high_harmonics_artwork_la_final.jpg?h=5a5fc591&itok=NawlRLkX)