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2. Electronic article surveillance - Wikipedia

   en.wikipedia.org/wiki/Electronic_article...

   These are similar to magnetic tags in that they are made of two strips: a strip of magnetostrictive, ferromagnetic amorphous metal and a strip of a magnetically semi-hard metallic strip, which is used as a biasing magnet (to increase signal strength) and to allow deactivation. These strips are not bound together but free to oscillate mechanically.

3. Tattle-Tape - Wikipedia

   en.wikipedia.org/wiki/Tattle-Tape

   The tape consists of a magnetic metal strip embedded in a strip of thick, clear adhesive tape. This tape is usually affixed deep between the pages of a paperback book, or between the spine and binding for a hardcover book. When the magnetic strip in the tape is sensitized, an alarm will sound when the item passes through a special gate ...

4. Tape label - Wikipedia

   en.wikipedia.org/wiki/Tape_label

   Originally, 7- and 9-track data tapes only had human readable labels on them (i.e. as far as the operating system was concerned they were unlabeled). Somebody wishing to use a particular tape would ask the operator to mount that tape; the operator would look at the human readable label, mount it on a tape drive, and then tell the operating system which drive contained the tape of interest.

5. This Viral Magnetic Stove Shelf is TikTok’s Answer for Small ...

   www.aol.com/lifestyle/viral-magnetic-stove-shelf...

   30" Magnetic Shelf for Kitchen Stove. $39.99. ... When the inevitable spills and splatters occur, the rust-resistant metal shelf can easily be removed, hand-washed in the sink, and snapped right ...

6. Electromagnetic field - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_field

   Faraday then made the seminal observation that time-varying magnetic fields could induce electric currents in 1831. In 1861, James Clerk Maxwell synthesized all the work to date on electrical and magnetic phenomena into a single mathematical theory, from which he then deduced that light is an electromagnetic wave. Maxwell's continuous field ...

7. Magnetic-tape data storage - Wikipedia

   en.wikipedia.org/wiki/Magnetic-tape_data_storage

   Magnetic tape was first used to record computer data in 1951 on the UNIVAC I. [8] The UNISERVO drive recording medium was a thin metal strip of 0.5-inch (12.7 mm) wide nickel-plated phosphor bronze. Recording density was 128 characters per inch (198 micrometres per character) on eight tracks at a linear speed of 100 in/s (2.54 m/s), yielding a ...