APS Upgrade Update

The Advanced Photon Source Upgrade project received its final approval in January 2026, having delivered on its full scope on budget and ahead of schedule. The upgraded facility is now fully operational and user experiments are underway. This page will no longer be updated, and the latest information on scientific results will be posted to the APS home page. The weekly updates to the beamline progress chart will be linked from the APS home page as well.

"Killer Beam" parody song

*No DOE funds were used in the creation and production of the parody song. 
Freda Humble thanks David Keeney, recording engineer/mixer and Patrick Doody, mastering engineer.