CERNbot is a novel robotics platform, which can be customized according to the needs.
The ATRAP experiment compares hydrogen atoms with their antimatter equivalents: antihydrogen atoms. As the radioactive source of the experiment decays after about two and a half years, ATRAP physicists need a new source every few years. They will then try to replace the source with the robot, in order to avoid exposition to radiation.
CERNbot is not the only robot at CERN: