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2. Tattle-Tape - Wikipedia

   en.wikipedia.org/wiki/Tattle-Tape

   Tattle-Tape is a security system used in libraries to prevent theft of library materials. 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 ...

3. Magnetic tape - Wikipedia

   en.wikipedia.org/wiki/Magnetic_tape

   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. Devices that use magnetic tape can with relative ease record and play back audio, visual, and binary computer data.

4. List of magnetic tape cartridges and cassettes - Wikipedia

   en.wikipedia.org/wiki/List_of_magnetic_tape...

   Magnetic tape cartridge and magnetic tape cassette both refer to a small plastic unit containing a length of magnetic tape on at least one reel. The unit may contain a second "take-up" reel or interoperate with such a reel in an associated tape drive. At least 142 distinct types have been known to exist.

5. Preservation of magnetic audiotape - Wikipedia

   en.wikipedia.org/wiki/Preservation_of_magnetic...

   The first magnetic tapes were manufactured by BASF in Germany in 1932. They were designed with iron carbonyl as the magnetic pigment mixed into the cellulose acetate carrier. . Production soon moved to iron oxide coated onto cellulose acetate rolls cut into uniform strips wound onto plastic or metal h

6. Do magnets affect credit cards? - AOL

   www.aol.com/finance/magnets-affect-credit-cards...

   Magnetic strips and EMV chips can sustain damage from being scratched, for example, by a key or coin. These scratches can make it difficult for card readers to pick up the information on the ...

7. Digital card - Wikipedia

   en.wikipedia.org/wiki/Digital_card

   A stripe of cellophane magnetic tape is fixed to a piece of cardboard with clear adhesive tape. Magnetic storage was known from World War II and computer data storage in the 1950s. [7] In 1969 an IBM engineer had the idea of attaching a piece of magnetic tape, the predominant storage medium at the time, to a plastic card base. He tried it, but ...