Superconductivity seen in a new light

Superconducting materials have the characteristic of letting an electric current flow without resistance. The study of superconductors with a high critical temperature discovered in the 1980s remains a very attractive research ...

A quick switch for magnetic needles

(PhysOrg.com) -- Magnetic vortex cores, which can be used as particularly stable storage points for data bits, can now be switched much faster.