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2. Magnetic tape - Wikipedia

   en.wikipedia.org/wiki/Magnetic_tape

   Magnetic tape. 7-inch reel of ¼-inch-wide audio recording tape, typical of consumer use in the 1950s – 70s. Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany in 1928, based on the earlier magnetic wire recording from Denmark.

3. Barium ferrite - Wikipedia

   en.wikipedia.org/wiki/Barium_ferrite

   Barium ferrite, abbreviated BaFe, BaM, is the chemical compound with the formula BaFe12O19 (BaO: 6 Fe2O3 ). [ 1 ] This and related ferrite materials are components in magnetic stripe cards and loudspeaker magnets. BaFe is described as Ba2+Fe3+12O2−19. The Fe3+ centers are ferrimagnetically coupled, and one unit cell of BaM has a net magnetic ...

4. Magnetic-tape data storage - Wikipedia

   en.wikipedia.org/wiki/Magnetic-tape_data_storage

   Magnetic-tape data storage is a system for storing digital information on magnetic tape using digital recording. Tape was an important medium for primary data storage in early computers, typically using large open reels of 7-track, later 9-track tape. Modern magnetic tape is most commonly packaged in cartridges and cassettes, such as the widely ...

5. Hook-and-eye closure - Wikipedia

   en.wikipedia.org/wiki/Hook-and-eye_closure

   The fasteners were eventually manufactured in the form of hook-and-eye tape, consisting of two tapes, one equipped with hooks and the other equipped with eyelets so that the two tapes could be "zipped" together side by side. To construct the garment, sections of hook-and-eye tape were sewn into either side of the garment closure.

6. Magnetic storage - Wikipedia

   en.wikipedia.org/wiki/Magnetic_storage

   Magnetic storage. Magnetic storage or magnetic recording is the storage of data on a magnetized medium. Magnetic storage uses different patterns of magnetisation in a magnetizable material to store data and is a form of non-volatile memory. The information is accessed using one or more read/write heads.

7. Tape measure - Wikipedia

   en.wikipedia.org/wiki/Tape_measure

   Tape measures are often designed for specific uses or trades. Tapes may have different scales, be made of different materials, and be of different lengths depending on the intended use. Tape measures can wind into a relatively small containers. Tape measures that were intended for use in tailoring or dressmaking are called "sewing tape". They ...