Clue | Source | Date |
---|---|---|
Ray of charged particles | Universal | 03 Aug 2019 |
Emission from a duoplasmatron | The Washington Post Sunday | 07 Jul 2019 |
Ray of charged particles | ||
Ray gun ray | New York Times | 27 Mar 2015 |
Charged ray used in particle therapy | ||
Ray gun ray | ||
Radiotherapy deliverer | ||
Radiotherapy ray |