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  2. Knapping - Wikipedia

    en.wikipedia.org/wiki/Knapping

    Knapping is the shaping of flint, chert, obsidian, or other conchoidal fracturing stone through the process of lithic reduction to manufacture stone tools, strikers for flintlock firearms, or to produce flat-faced stones for building or facing walls, and flushwork decoration.

  3. Levallois technique - Wikipedia

    en.wikipedia.org/wiki/Levallois_technique

    The Levallois technique (IPA:) is a name given by archaeologists to a distinctive type of stone knapping developed around 250,000 to 400,000 [1] years ago during the Middle Palaeolithic period. It is part of the Mousterian stone tool industry, and was used by the Neanderthals in Europe and by modern humans in other regions such as the Levant .

  4. Glass in sub-Saharan Africa - Wikipedia

    en.wikipedia.org/wiki/Glass_in_sub-Saharan_Africa

    The glass beads of Sub-Saharan Africa that were not melted from pre-existing glass material were instead formed by grinding glass into a fine powder to be worked further. Sources for such glass included scraps from broken glass bottles, cullets (recycled glass) or pre-existing glass beads which were no longer wanted.

  5. Hertzian cone - Wikipedia

    en.wikipedia.org/wiki/Hertzian_cone

    A small hole broken through a window pane. A Hertzian cone is the cone produced when an object passes through a solid, such as a bullet through glass.More technically, it is a cone of force that propagates through a brittle, amorphous, or cryptocrystalline solid material from a point of impact.

  6. Don Crabtree - Wikipedia

    en.wikipedia.org/wiki/Don_Crabtree

    Don E. Crabtree was born in Heyburn, Idaho on June 8, 1912. He finished high school in Twin Falls in 1930, after which he worked for the Idaho Power Company. After a brief period he traveled to California where he enrolled in Long Beach Junior College in the mid-1930s with the intent to major in geology and paleontology.

  7. NFL playoff scenarios: Which teams can clinch in Week 15? - AOL

    www.aol.com/nfl-playoff-scenarios-teams-clinch...

    Download for award-winning coverage, crosswords, audio storytelling, the eNewspaper and more. This article originally appeared on USA TODAY: NFL playoff scenarios for Week 15: Steelers, Vikings ...

  8. Trump may seek dismissal of hush money case, sentencing delayed

    www.aol.com/news/trump-granted-permission-seek...

    NEW YORK (Reuters) -Donald Trump may seek dismissal of the criminal case in which he was convicted in May of 34 felony counts involving hush money paid to a porn star, a judge ruled on Friday ...

  9. Errett Callahan - Wikipedia

    en.wikipedia.org/wiki/Errett_Callahan

    Errett Callahan was born in Lynchburg, Virginia, on December 17, 1937.Callahan’s interest in the outdoors and Native American lifeways began quite early on. As a boy Callahan was a member of the Boy Scouts of America and it was as a Boy Scout that he was first exposed to the skills and techniques that the Native Americans used to survive in the outdoors. [1]

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