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Found objects are sometimes used in music, often to add unusual percussive elements to a work. Their use in such contexts is as old as music itself, as the original invention of musical instruments almost certainly developed from the sounds of natural objects rather than from any specifically designed instruments. [2]
Flintknapping a stone tool. 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.
Percussion reduction, or percussion flaking, refers to removal of flakes by impact. [7] The methods used are: Hitting hand-held core with a hammer or percussor; Bipolar percussion or bipolar technique, using anvil and striking implement [7] Projectile percussion: the objective stone is thrown at an anvil [7]
The following other wikis use this file: Usage on en.wikisource.org Index:Experiments.pdf; Page:Experiments.pdf/1; Page:Experiments.pdf/2; Page:Experiments.pdf/3
Gage Averill playing an experimental hydraulophone pipe organ made from a piece of sewer drainage pipe and plumbing fittings in 2006 . An experimental musical instrument (or custom-made instrument) is a musical instrument that modifies or extends an existing instrument or class of instruments, or defines or creates a new class of instrument.
Percussion notation is a type of musical notation indicating notes to be played by percussion instruments. As with other forms of musical notation, sounds are represented by symbols which are usually written onto a musical staff (or stave). Percussion instruments are generally grouped into two categories: pitched and non-pitched. The notation ...
In lithic analysis, a subdivision of archaeology, a bulb of applied force (also known as a bulb of percussion or simply bulb of force [1]) is a defining characteristic of a lithic flake. Bulb of applied force was first correctly described by Sir John Evans, the cofounder of prehistoric archeology. [ 2 ]
Research has shown that the dominant physical mechanism in determining where the sweet spot is arises from the location of nodes in the vibrational modes of the bat, not the location of the center of percussion. [2] The center of percussion concept can be applied to swords. Being flexible objects, the "sweet spot" for such cutting weapons ...