3 ms·
tl;dw: the best model is the tokamak, new magnets mean that they can be much smaller (and cheaper) than expected. This is awkward for existing projects (iter).
by majjam 9y ago
tl;dw: the best model is the tokamak, new magnets mean that they can be much smaller (and cheaper) than expected. This is awkward for existing projects (iter).
- markvdb 9y agoPlus: * Stellarators like https://en.wikipedia.org/wiki/Wendelstein_7-X https://en.wikipedia.org/wiki/Wendelstein_7-X are very interesting academically, and the only alternative approaching net energy positive fusion within an order of magnitude. * The shrinking of the process thanks to HTS magnet technology brings net energy positive fusion within reach of national governments or soon even major institutions. He was promoting a compact MIT tokamak design called SPARC, a derivative of ARC described below: http://news.mit.edu/2015/small-modular-efficient-fusion-plant-0810 http://news.mit.edu/2015/small-modular-efficient-fusion-plan...