
Last month, a new superconducting magnet reached its design field of 11.5 Tesla at a temperature nearly as cold as outer space. It is the first successful twin-aperture accelerator magnet made of niobium-3-tin in the world.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/tNPcZfg56rQ/150406070944.htm