Generalizing the standard model of flocking motion to the curved surface of a sphere rather than the usual linear plane or flat three - dimensional space, Bowick's team found that instead of spreading out uniformly over the whole sphere, arrowlike agents spontaneously order
into circular bands centered on the equator.
Most jets
form circular bands, but the Voyager spacecraft snapped pictures of an enormous hexagonally shaped one (each side rivals Earth's diameter) when it passed over the planet's north pole in 1988.
Painted in the late 1950s, Spread demonstrates Noland's achievement of a distinctly personal style based on
concentric circular bands in unpredictable sequences of highly saturated colors.
Just 4 pattern pieces; front, back, sleeve cuff, and
circular band.
As I absorbed the monumental color field paintings and scrutinized
the circular bands of steel sculpture on the floor — representing two important aspects of his work in the seventies — I recalled that Olitski was the first living artist to be given an exhibition in 1969 at the Metropolitan Museum of Art by the curator Henry Geldzahler.
Hence those bursts of divine space into at least a schematically human space in Sienese painting, such as
the circular bands of flat color surrounding an Edenic disk in Giovanni di Paolo's The Creation of the World and the Expulsion from Paradise (1445).