Are you a student? hydronephrosis medscape Topological stability is attractive to scientists looking for improved ways to carry information, says Kristen von Bergmann, a physicist at the University of Hamburg in Germany. Conventional magnetic storage media, such as the surface of a hard disk, carry information in the form of digital bits â states denoted '0' or '1' that are represented by the magnetization of the atoms, for example with their magnetic north pole pointing up or down. But when they are packed too densely or overheated, these magnetizations can easily become unstable and get scrambled.
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