A cyclotron is a type of particle accelerator that moves protons, one kind of charged particle comprising atoms, along a spiral path to strike a target. What does it do? Particle/proton accelerators ...

The controls are to the left and the cyclotron is to the right with shields closed. View Slideshow Albert Swank Jr., a 55-year-old civil engineer in Anchorage, Alaska, is a man with a mission.