Electric current moves magnetic vortices: With the help of neutrons, physicists discover new ways to save data

One of the requirements to keep trends in computer technology on track -- to be ever faster, smaller, and more energy-efficient -- is faster writing and processing of data. New results could point the way to a solution. Physicists set a lattice of magnetic vortices in a material in motion using electric current almost a million times weaker than in earlier studies.

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