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  2. Tape head cleaner - Wikipedia

    en.wikipedia.org/wiki/Tape_head_cleaner

    A tape head cleaner is a substance or device used for cleaning the record and playback heads of a magnetic tape drive found in video or audio tape machines such as cassette players and VCRs. [1] These machines require regular maintenance to perform properly.

  3. Extensometer - Wikipedia

    en.wikipedia.org/wiki/Extensometer

    Camera image of a video extensometer measuring two line markers. A video extensometer is a device that is capable of performing stress/strain measurements of certain materials, by capturing continuous images of the specimen during test, using a frame grabber or a digital video camera attached to a PC. [2]

  4. Print-through - Wikipedia

    en.wikipedia.org/wiki/Print-through

    The mother tape had a coercivity three times that of normal VHS tape and was made by recording onto it using a special reel to reel video tape recorder called a mirror mother VTR using video from a D-2 (video), Type B videotape or Type C videotape master source tape. The video tape recorder had a sapphire blade to clean the surface of the ...

  5. Type B videotape - Wikipedia

    en.wikipedia.org/wiki/Type_B_videotape

    1-inch Type B Helical Scan or SMPTE B is a reel-to-reel analog recording video tape format developed by the Bosch Fernseh division of Bosch in Germany in 1976. The magnetic tape format became the broadcasting standard in continental Europe, but adoption was limited in the United States and United Kingdom, where the Type C videotape format met with greater success.

  6. Quadruplex videotape - Wikipedia

    en.wikipedia.org/wiki/Quadruplex_videotape

    2-inch quadruplex videotape (also called 2" quad video tape or quadraplex) was the first practical and commercially successful analog recording video tape format. [1] It was developed and released for the broadcast television industry in 1956 by Ampex , an American company based in Redwood City, California . [ 2 ]

  7. Cheesecloth - Wikipedia

    en.wikipedia.org/wiki/Cheesecloth

    Cheesecloth on sauerkraut (fermented cabbage) Cheesecloth under a microscope. Cheesecloth is a loose-woven gauze-like carded cotton cloth used primarily in cheesemaking and cooking. [1] The fabric has holes large enough to quickly allow liquids (like whey) to percolate through the fabric, but small enough to retain solids like cheese curds. [2]

  8. Stress relaxation - Wikipedia

    en.wikipedia.org/wiki/Stress_relaxation

    Experimentally, stress relaxation is determined by step strain experiments, i.e. by applying a sudden one-time strain and measuring the build-up and subsequent relaxation of stress in the material (see figure), in either extensional or shear rheology. a) Applied step strain and b) induced stress as functions of time for a viscoelastic material.

  9. Roach (smoking) - Wikipedia

    en.wikipedia.org/wiki/Roach_(smoking)

    A portrait of Pancho Villa during the Mexican Revolution. According to Callier the term roach was inspired by the Latin American folk song “La Cucaracha". [5] While the exact origins of the song remain unknown the version that is thought to have referenced the roach is the commonly cited version that ridicules Mexican Revolutionary leader Pancho Villa.