Jefferson Lab contributors to the Spallation Neutron Source Proton Power Upgrade pose for a photo with CM-08, final cryomodule produced for the project. Disclaimer: AAAS and EurekAlert!

The fully assembled prototype high-beta 650-megahertz cryomodule. Four of these will make up the final stage in Fermilab’s new linear accelerator. Patience and complexity are the hallmarks of ...