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The word xicalcoliuhqui (Nahuatl pronunciation: [ʃikaɬkoˈliʍki]) means "twisted gourd" (xical- "gourdbowl" and coliuhqui "twisted") in Nahuatl. [1] [2] [10] The motif is associated with many ideas, and is variously thought to depict water, waves, clouds, lightning, a serpent or serpent-deity like the mythological fire or feathered serpents, as well as more philosophical ideas like cyclical ...
The meander is a fundamental design motif in regions far from a Hellenic orbit: labyrinthine meanders ("thunder" pattern [3]) appear in bands and as infill on Shang bronzes (c. 1600 BC – c. 1045 BC), and many traditional buildings in and around China still bear geometric designs almost identical to meanders.
Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
Key pattern is the generic term for an interlocking geometric motif made from straight lines or bars that intersect to form rectilinear spiral shapes. [ 1 ] [ 2 ] [ 3 ] According to Allen and Anderson, the negative space between the lines or bars of a key pattern “resemb[es] the L- or T-shaped slots in an ordinary key to allow it to pass the ...
A fret is any of the thin strips of material, usually metal wire, inserted laterally at specific positions along the neck or fretboard of a stringed instrument. Frets usually extend across the full width of the neck. On some historical instruments and non-European instruments, frets are made of pieces of string tied around the neck.
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Jablonski diagram of FRET with typical timescales indicated. The black dashed line indicates a virtual photon.. Förster resonance energy transfer (FRET), fluorescence resonance energy transfer, resonance energy transfer (RET) or electronic energy transfer (EET) is a mechanism describing energy transfer between two light-sensitive molecules (chromophores). [1]
Greek key may refer to: Greek key (art) , a decorative border constructed from a continuous line, shaped into a repeated motif Greek key (protein structure) , a repeated motif in the secondary structure in proteins