Hertzian — may refer to: *Hertzian dipole *Hertzian cone *Hertzian contact stress … Wikipedia
Cone — This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article … Wikipedia
Lithic flake — Flakes may be produced by a variety of means. Force may be introduced by direct percussion (striking the core with a percussor such as a rock or antler), indirect percussion (striking the core with an object, sometimes referred to as a punch,… … Wikipedia
Chert — For the Spanish municipality, see Xert. Chert Chert ( / … Wikipedia
Heinrich Hertz — Infobox Scientist name = Heinrich Rudolf Hertz image width = 230px birth date = birth date|1857|2|22|mf=y birth place = Hamburg, Germany residence = Germany nationality = German death date = death date and age|1894|1|1|1857|2|22|mf=y death place … Wikipedia
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium
Lithic reduction — The Levallois technique of flint knapping Lithic reduction involves the use of a hard hammer precursor, such as a hammerstone, a soft hammer fabricator (made of wood, bone or antler), or a wood or antler punch to detach lithic flakes from a lump… … Wikipedia
Hertz (disambiguation) — Hertz may refer to:* Hertz, the SI unit of frequency (cycles per second) ** 2600 hertz, the frequency that AT T formerly put as a steady signal on any long distance telephone line that was not currently in use * Hertz (crater), a lunar crater… … Wikipedia
Eraillure — In lithic analysis (a subdivision of archaeology), an eraillure is a small secondary flake removed from a lithic flake s bulb of force, which is a lump left on the ventral surface of a flake after it is detached from a core of tool stone during… … Wikipedia
Bulb of applied force — In lithic analysis, a subdivision of archaeology, a bulb of applied force (also known as a bulb of percussion or simply bulb of force) is a defining characteristic of a lithic flake. When a flake is detached from its parent core, a portion of the … Wikipedia