Images Dated 18th August 2004

Fractal geometry : Mandelbrot set

Fractal geometry: computer graphics representation of the Mandelbrot Set, plotted from complex number coordinates. A number is described as complex when it is made up of two parts, historically called real and imaginary - imaginary numbers are derived from the square root of -1. The Mandelbrot set, named after Benoit B. Mandelbrot, is a form of fractal geometry, the mathematical study of forms having a fractional dimension. Fractal patterns demonstrate order and presence of pattern in apparently highly irregular systems. For example, fractals have been applied to model coastlines

© Dr Seth Shostak/Science Photo Library

Slavers Raiding a Village on the Aruwimi River, Central Afri

Engraving showing Arab slavers raiding a village beside the Aruwimi River, as seen from the Yambuya Camp occupied by Sir Henry Morton Stanley's Emin Pasha Relief Expedition, 1888. Emin Pasha (1840-1892), the German doctor, explorer, linguist and Governor of the Egyptian Equatorial Province had retreated to Wadelai, near Lake Albert, with 10, 000 followers during the Mahdi Rising. Cut off from all communication Emin Pasha was considered lost, so the British government sent out a rescue party led by H.M. Stanley (1841-1904). Date: 1890

© Illustrated London News Ltd/Mary Evans

Panorama of group of Cypress trees in the landscape, Val d'Orcia, UNESCO World Heritage Site

Panorama of group of Cypress trees in the landscape, Val d'Orcia, UNESCO World Heritage Site, Tuscany, Italy, Europe

© John Miller

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