By Brandy McDonnell Features Writer bmcdonnell@oklahoman.com In the autumnal calm of late afternoon, the 550 transparent spheres suspended above Campbell Art Park shift in sync, propelled by the gentle breeze and paled by the westering sunlight. “A couple of days ago, it was like 40 miles per hour, the wind, and they were all like swaying and it was a very beautiful, undulating pattern.Read more on NewsOK.com