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A spiral staircase in the Cathedral of St. John the Divine. Several helical curves in the staircase project to hyperbolic spirals in its photograph.
A spiral staircase in the Cathedral of St. John the Divine. Several helical curves in the staircase project to hyperbolic spirals in its photograph.
The staggered start of a 200m race
The staggered start of a 200m race
The pitch angle of NGC 4622 increases with distance
The pitch angle of NGC 4622 increases with distance
Volutes on a Corinthian order capital in the Archaeological Museum of Epidaurus
Volutes on a Corinthian order capital in the Archaeological Museum of Epidaurus
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Cutaway of a nautilus shell showing the chambers arranged in an approximately logarithmic spiral
Cutaway of a nautilus shell showing the chambers arranged in an approximately logarithmic spiral
An artist's rendering of a spiral galaxy.
An artist's rendering of a spiral galaxy.
Sunflower head displaying florets in spirals of 34 and 55 around the outside.
Sunflower head displaying florets in spirals of 34 and 55 around the outside.
Cucuteni Culture spirals on a bowl on stand, a vessel on stand, and an amphora, 4300-4000 BCE, ceramic, Palace of Culture, Iași, Romania
Cucuteni Culture spirals on a bowl on stand, a vessel on stand, and an amphora, 4300-4000 BCE, ceramic, Palace of Culture, Iași, Romania