
cern


CERN fires up particle smasher after upgrade
The world's largest particle smasher resumed colliding protons Tuesday as it gradually reboots following a two-year upgrade, the Geneva-based European Organization for Nuclear Research (CERN) said.
The world's largest particle smasher resumed colliding protons Tuesday as it gradually reboots following a two-year upgrade, the Geneva-based European Organization for Nuclear Research (CERN) said.