I agree if confinement field tops out at 12 T on coil / 6 T on axis. Double it and the story looks very different. Some light reading on this: https://www.ca

I agree if confinement field tops out at 12 T on coil / 6 T on axis. Double it and the story looks very different. Some light reading on this: https://www.cambridge.org/core/journals/journal-of-plasma-physics/collections/status-of-the-sparc-physics-basis https://www.cambridge.org/core/journals/journal-of-plasma-ph...