A small, modular, efficient fusion plant

Everything is relative, but which is it: "about half the diameter of ITER " or small? The vacuum chamber of ITER is 8500 cubic meters (https://www.iter.org/newsline/135/285)

Half the size in 3 dimensions still is 1000 cubic meters, or larger than most people's house.

Also: previously discussed on https://news.ycombinator.com/item?id=10036774

Link to original (behind paywall): http://www.sciencedirect.com/science/article/pii/S0920379615...