Tuesday, October 20, 2020

Hypersphaerae anuli

Hypersphaera anuli
Ringed Superball

Although many companies selling this bouncy ball or similar designs often call this a "striped" ball.  At the I.S.S., H anuli has been classified as "ringed," because the lines/stripes run longitudinally parallel to the equatorial center line or axis where the two halves are joined in the mold.  Additionally, two pink dots sit at each pole of the sphere, further emphasizing its orientation and, thus, influencing the categorization.  

This ball features concentric rings of primary and secondary colors (green, red, and blue) embedded in a regularly spaced, loose pattern within a dominant skin of smooth, matte yellow rubber with pink at its poles/center circles.  This is a particularly dense and hard style of ball due to its composition and construction.  The matte finish allows for oxidization and aging of the surface, which dulls the vibrance and can take on dirt and oils.  The variations of color and pattern beyond this base yellow color ball have not yet been accepted in the anuli class and will be considered in the future.  (Photo courtesy of Headwater Media.)

Hypersphaera anuli

An assemblage of balls created for the collaborative exhibition, Bounce!, at the Children's Museum of Pittsburgh

Mounted on salvaged wood with home-made black-walnut stain and metal nameplate. 

Photo courtesy of Headwater Media,
©2020 Henry J. Simonds

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