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Fibonacci spiral patterns in the sinister form grown on Ag core/ shell microstructures: (a) , (b) , (c) , and (d) . Each individual pattern is presented in triad, one original and two with plotted counterclockwise and clockwise spirals to guide the eyes.
Fibonacci spiral patterns in the dexter form: (a) , (b) , and (c) .
Patterns on spherical supports. (a) and (b) are stressed patterns, and (c) and (d) illustrate the numerical solutions to Thomson’s problem of and 140 (Courtesy of Bowick, see Ref. 24), respectively.
Parastichous spirals on frustrating surfaces. (a) Stressed pattern on a slanted Ag core/ shell microstructure, and (b) the “X pattern” of achenes in a strawberry.
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