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  2. Blade geometry - Wikipedia

    en.wikipedia.org/wiki/Blade_geometry

    Blade geometry is a crucial aspect of knife design, influencing both the performance and usability of cutting tools. ... Weapons such as the Estoc, for example, would ...

  3. Diffraction - Wikipedia

    en.wikipedia.org/wiki/Diffraction

    The knife-edge effect or knife-edge diffraction is a truncation of a portion of the incident radiation that strikes a sharp well-defined obstacle, such as a mountain range or the wall of a building. The knife-edge effect is explained by the Huygens–Fresnel principle , which states that a well-defined obstruction to an electromagnetic wave ...

  4. Kitchen knife indentation - Wikipedia

    en.wikipedia.org/wiki/Kitchen_knife_indentation

    Knife indentation is done away from the edge of a kitchen knife. A knife most simply has either a rectangular or wedge-shaped cross-section (sabre-grind v. flat-grind, but may also have concave indentations or hollows, whose purpose is to reduce adhesion of the food to the blade, so producing a cleaner and easier cut. This is widely found in ...

  5. Knife - Wikipedia

    en.wikipedia.org/wiki/Knife

    A knife (pl.: knives; from Old Norse knifr 'knife, dirk' [1]) is a tool or weapon with a cutting edge or blade, usually attached to a handle or hilt. One of the earliest tools used by humanity, knives appeared at least 2.5 million years ago , as evidenced by the Oldowan tools.

  6. Grind - Wikipedia

    en.wikipedia.org/wiki/Grind

    For example, the famous Buck 110 folding hunting knife is described as having a "hollow grind" - meaning the faces of the blade are ground into a concave – but the blade also contains a second, less acute, conventional bevel that makes up the cutting edge. A classic Opinel folding knife has a "flat grind" blade, meaning that the faces of the ...

  7. Knife sharpening - Wikipedia

    en.wikipedia.org/wiki/Knife_sharpening

    Knife sharpener in Kabul, Afghanistan (1961) The Knife Grinder by Massimiliano Soldani (c.1700), Albertinum, Dresden A railway camp cook sharpens a knife blade on a stone wheel, 1927 Knife sharpening is the process of making a knife or similar tool sharp by grinding against a hard , rough surface, typically a stone , [ 1 ] or a flexible surface ...

  8. Clip point - Wikipedia

    en.wikipedia.org/wiki/Clip_point

    A Bowie knife clearly showing the clip point. The clip point is one of the three most common shapes for the blade of a knife (the others being the drop point and the spear point). Clip point blades have the appearance of having the forward third of the blade "clipped" off. The clip itself can be straight or concave. [1] [2]

  9. Blade - Wikipedia

    en.wikipedia.org/wiki/Blade

    A trailing-point knife has a back edge that curves upward to end above the spine. This lets a lightweight knife have a larger curve on its edge and indeed the whole of the knife may be curved. Such a knife is optimized for slicing or slashing. Trailing point blades provide a larger cutting area, or belly, and are common on skinning knives.

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