On April 3, 2006, I went on a tour of the DIII-D National Fusion Facility at General Atomic in San Diego. Our tour guide was plasma physicist Dr. Max Fenstermacher, a friend of one of my co-workers, Steve Armen.
Welcome to DIII-D
Photo from the DIII-D website of the inside of the chamber
Cutaway diagram from the DIII-D website of the plasma chamber