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  2. Thermochromism - Wikipedia

    en.wikipedia.org/wiki/Thermochromism

    On cooling, the compound becomes a light yellow metastable phase, which over 2–3 weeks turns back into original red. [8] Many other tetrachloronickelates are also thermochromic. Bis(diethylammonium) tetrachlorocuprate(II) ([(CH 3 CH 2 ) 2 NH 2 ] 2 CuCl 4 ) is a bright green solid material, which at 52–53 °C reversibly changes color to yellow.

  3. Pencil case - Wikipedia

    en.wikipedia.org/wiki/Pencil_case

    A pencil case can also contain a variety of other stationery such as sharpeners, pens, glue sticks, erasers, scissors, and rulers. Pencil cases can be made from a variety of materials such as wood or metal. Some pencil cases have a hard and rigid shell encasing the pens inside, while others use a softer material such as plastic, leather or cotton.

  4. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    Discarded printing plates from these card presses, each printing plate the size of an IBM card and formed into a cylinder, often found use as desk pen/pencil holders, and even today are collectible IBM artifacts (every card layout [75] had its own printing plate). In the mid-1930s a box of 1,000 cards cost $1.05 (equivalent to $23 in 2023). [76]

  5. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. AOL latest headlines, entertainment, sports, articles for business, health and world news.

  7. Autumn leaf color - Wikipedia

    en.wikipedia.org/wiki/Autumn_leaf_color

    A green leaf is green because of the presence of a pigment known as chlorophyll, which is inside an organelle called a chloroplast. When abundant in the leaf's cells, as during the growing season, the chlorophyll's green color dominates and masks out the colors of any other pigments that may be present in the leaf. Thus, the leaves of summer ...

  8. This Is Why Your Skin Turns Green After Wearing Certain ... - AOL

    www.aol.com/why-skin-turns-green-wearing...

    The good news: there are still ways to wear your favorite pieces of jewelry. The post This Is Why Your Skin Turns Green After Wearing Certain Jewelry appeared first on Reader's Digest.

  9. A No. 2 Pencil Is Fall’s Easiest Hair Accessory - AOL

    www.aol.com/number-two-pencil-falls-easiest...

    At LaQuan Smith's Fall/Winter 2024 NYFW show, the designer collaborated with Tresemmé and Huda Beauty to seamlessly elevate corporate glam. A No. 2 Pencil Is Fall’s Easiest Hair Accessory Skip ...