Mandelbrot: Mandelbrot was one of the first to use computer graphics to create and display fractal geometric images to show how visual complexity can be created from simple rules. He said that things typically considered to be "rough", a "mess" or "chaotic", like clouds or shorelines, actually had a "degree of order". (Wikipedia)

Screwpile: a steel screw-in piling and ground anchoring system used for building deep foundations. (Wikipedia)

Picture, by the author, of a pergola he is currently constructing from timbers salvaged from recent repairs to the 630-metre screwpile jetty (The Causeway) built in 1867 to link Granite Island to the mainland town of Victor Harbor, which lies in the picture's background. The Victor Harbor Horse Drawn Tramway has operated for more than 120 years and uses teams of Clydesdale horses to ferry visitors across The Causeway to the island's Fairy Penguin colony. It is a significant South Australian icon and forms a fond memory for many holidaymakers.

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