Tokamaks have been asymptotically approaching viability for a very, very long time. At some point they just have to give up on the design, because it just isn'

Tokamaks have been asymptotically approaching viability for a very, very long time. At some point they just have to give up on the design, because it just isn't working. But I suppose as long as there's funding there'll be people trying to get it to work.