Bubble memory
Summary
Bubble memory is an obsolete non-volatile memory technology that used magnetic bubbles on a garnet film to store bits and moved them along tracks with a rotating magnetic field. Developed in the 1960sā1980s, it briefly commercialized but was outpaced by DRAM, HDDs, and later Flash memory, leading to its decline by the late 1980s. The article covers history, development, commercialization, and niche applications of the technology.