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  2. Magnetite - Wikipedia

    en.wikipedia.org/wiki/Magnetite

    Magnetite is one of the very few minerals that is ferrimagnetic; it is attracted by a magnet as shown here Unit cell of magnetite. The gray spheres are oxygen, green are divalent iron, blue are trivalent iron. Also shown are an iron atom in an octahedral space (light blue) and another in a tetrahedral space (gray).

  3. List of Logitech products - Wikipedia

    en.wikipedia.org/wiki/List_of_Logitech_products

    Touch strip: Laser: 800: 2.4 GHz: Rechargeable: Has built in gyroscope. Allows control of cursor by waving the mouse through the air. ... 804251-0000 (gray plug ...

  4. Epstein frame - Wikipedia

    en.wikipedia.org/wiki/Epstein_frame

    is the average magnetic path length = 0.94 (constant value) m {\displaystyle m~} is the mass of the sample in kilograms If all conditions are as defined in the standard, the standard deviation of the reproducibility of the values is not greater than 1.5% up to 1.5 T [ clarification needed ] for non-oriented electrical steel and up to 1.7 T for ...

  5. 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 ...

  6. LifeScan - Wikipedia

    en.wikipedia.org/wiki/LifeScan

    LifeScan was established in 1981. [3] It was acquired by Johnson & Johnson (J&J) in 1986, [2] [4] and in June 2018, J&J agreed to sell LifeScan to Platinum Equity as part of its strategic exit from the diabetes device market, accepting an offer originally tendered in March 2018. [1]

  7. Pyrrhotite - Wikipedia

    en.wikipedia.org/wiki/Pyrrhotite

    Vacancies lower the crystal symmetry. Therefore, monoclinic forms of pyrrhotite are in general more defect-rich than the more symmetrical hexagonal forms, and thus are more magnetic. [11] Monoclinic pyrrhotite undergoes a magnetic transition known as the Besnus transition at 30 K that leads to a loss of magnetic remanence. [12]

  8. MacBook Pro (Intel-based) - Wikipedia

    en.wikipedia.org/wiki/MacBook_Pro_(Intel-based)

    The Touch Bar MacBook Pro - so-called because of its Touch Bar strip with a Touch ID sensor - released in October 2016, adopted USB-C for all data ports and power and included a shallower "butterfly"-mechanism keyboard. A November 2019 revision to the Touch Bar MacBook Pro [3] introduced the Magic Keyboard, which used a scissor-switch mechanism.

  9. Skeletal remains of girl identified a decade after bones ...

    www.aol.com/news/skeletal-remains-girl...

    A decade after the skeletal remains of a young girl were found in Honolulu, Hawaii, DNA has helped identify the missing child as Mary Sue Fink. Fink was born on April 29, 1959, more than 65 years ...

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