This release is available in German. Tiny magnets organize themselves in vortices in the researchers' mini disks. The individual magnets can twist either in a clockwise or a counterclockwise direction ...

The Mini-Disc never caught on in the U.S. But during the 1990s, the format did in its native Japan, where MD isn’t yet dead. Launching in 1991, MD was the coolest format. It was like a compact disc, ...