Geodesic dome Johnson solids, Archimedean solids, and Catalan solids. These structures may have some faces that are not triangular, being squares or other polygons. In 1975, a dome was constructed at the South Pole, where its resistance to snow and wind loads is important. On October 1, 1982, one of the most famous geodesic domes, Spaceship Earth at Epcot in Walt Disney World Resort in Bay Lake, Florida, just outside of Orlando, Florida, opened. The building and the ride inside of it are named with one of Buckminster Fuller's famous terms, Spaceship Earth, a world view expressing concern over the use of
The Joker (S&S Worldwide) purple and green supports parallel to each other. At Six Flags Great America and Six Flags Over Texas, those coasters have 2 Joker signs facing back of each other. The Joker (S&S Worldwide) The Joker is a roller coaster located at Six Flags Great Adventure, Six Flags Great America, Six Flags New England, and Six Flags Over Texas. Built by S&S Worldwide, an American ride manufacturer, the coaster is one of their "Free Spin" models. Since 2016, Six Flags has installed The Joker in four of their parks. Riders zig zag along the track while flipping head over heels up