enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Luminous gemstones - Wikipedia

    en.wikipedia.org/wiki/Luminous_gemstones

    The c. 125 CE didactic Christian text Physiologus states that the diamond ("carbuncle") is not to be found in the day but only at night, which may imply that it emits light (Laufer 1915:62). The Anglo-Indian diplomat Thomas Douglas Forsyth says that in 632, the ancient Iranian Saka Buddhist Kingdom of Khotan sent a "splendid jade stone" as ...

  3. List of fictional elements, materials, isotopes and subatomic ...

    en.wikipedia.org/wiki/List_of_fictional_elements...

    Minecraft: An ancient fireproof alloy made from gold and netherite scraps, which are smelted from ancient debris found in the Nether dimension. When combined with diamond equipment, the metal creates the game's strongest weapons, tools and armour. [53] [54] Nth Metal DC Comics: A Thanagarian alloy used by Hawkman and Hawkwoman. [55]

  4. Lonsdaleite - Wikipedia

    en.wikipedia.org/wiki/Lonsdaleite

    In diamond, all the carbon-to-carbon bonds, both within a layer of rings and between them, are in the staggered conformation, thus causing all four cubic-diagonal directions to be equivalent; whereas in lonsdaleite the bonds between layers are in the eclipsed conformation, which defines the axis of hexagonal symmetry.

  5. Phosphorescence - Wikipedia

    en.wikipedia.org/wiki/Phosphorescence

    Stars made of glow-in-the-dark plastic are placed on walls, ceilings, or hanging from strings make a room look like the night sky. [29] Other objects like figurines, cups, posters, [30] lamp fixtures, toys [31] and bracelet beads may also glow. [32] Using blacklights makes these things glow brightly, common at raves, bedrooms, theme parks, and ...

  6. Hope Diamond - Wikipedia

    en.wikipedia.org/wiki/Hope_Diamond

    This 'glow-in-the-dark' effect persists for some time after the light source has been switched off, and this strange quality may have helped fuel its reputation of being "cursed." [15] The red glow is a phenomenon of blue diamonds that helps scientists "fingerprint" them, allowing them to distinguish real ones from artificial ones. [8]

  7. AOL Mail

    mail.aol.com

    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!

  8. Kopp–Etchells effect - Wikipedia

    en.wikipedia.org/wiki/Kopp–Etchells_effect

    The Kopp–Etchells effect is a sparkling ring or disk that is sometimes produced by rotary-wing aircraft when operating in sandy conditions, particularly near the ground at night. The name was coined by photographer Michael Yon to honor two soldiers who were killed in combat; Benjamin Kopp, a US Army Ranger, and Joseph Etchells, a British soldier.

  9. Pyrite - Wikipedia

    en.wikipedia.org/wiki/Pyrite

    The mineral pyrite (/ ˈ p aɪ r aɪ t / PY-ryte), [6] or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Fe S 2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral.