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A blucher (/ ˈ b l uː tʃ ər / or / ˈ b l uː k ər /, German pronunciation:, Blücher) is a style of shoe with open lacing, its vamp made of a single piece of leather ("one cut"), with shoelace eyelets tabs sewn on top. [1] The blucher is similar to a derby since both feature open lacing, in contrast to the Oxford shoe, which uses closed ...
Oxford shoes are also known for their variation or style. The Cap-Toe Oxford is the most well-known, although 'Whole Cut', 'Plain Toe', and a variation of 'Brogue' Oxfords are commonly referred to styles. [5] Shoes with closed lacing (Oxfords/Balmorals) are considered more formal than those with open lacing (Bluchers/Derbys). [6]
In American English the derby shoe may be referred to as a 'blucher', although technically the blucher is a different design of shoe where only eyelet tabs (not larger quarters) are sewn onto a single-piece vamp. In modern colloquial English the derby shoe may be referred to as 'bucks' when the upper is made of buckskin. [3] "
Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface. [ 1 ] The law of reflection states that a reflected ray of light emerges from the reflecting surface at the same angle to the surface normal as the incident ray, but on the opposing side of the surface normal in the plane formed by ...
Diagram of Lambertian diffuse reflection. The black arrow shows incident radiance, and the red arrows show the reflected radiant intensity in each direction. When viewed from various angles, the reflected radiant intensity and the apparent area of the surface both vary with the cosine of the viewing angle, so the reflected radiance (intensity per unit area) is the same from all viewing angles.
Kucharska calls the looping shapes printed onto the sheer mesh “childish” in the freedom of its form. Because of latex’s malleable nature, her process is “very intuitive and experimental ...
The monk shoe is a moderately formal shoe: less formal than a full Oxford (American: Balmoral); but more so than an open Derby (American: Blücher). [4] [5] In between these, it is one of the main categories of men's shoes. The monk shoe is described by some specialists in the fashion sector as the most accomplished men's dress shoe.
He also independently discovered the law of reflection, and his essay on optics was the first published mention of this law. [ 34 ] Christiaan Huygens (1629–1695) wrote several works in the area of optics.