Flight simulation of a harrier jump-jet
Harrier aircraft flight simulation. Supercomputer image of a Harrier aircraft hovering over a runway in a virtual wind tunnel. The lines beneath the aircraft show the air flow from the aircraft's engine. The lines colours show the air's tempera- ture gradient, from red (highest), through orange, yellow, green, and blue, to purple (lowest). The Harrier is a Vertical Take-Off and Landing (VTOL) fighter aircraft which directs air from its Rolls- Royce Pegasus engine through 4 swivelling nozzles along the side of its fuselage. The nozzles point downwards for take-off, before rotating backwards to accelerate the aircraft into wing-borne flight
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By Rail to The Highlands, BR(ScR) poster, c 1950s
Poster produced for British Railways (Scottish Region) by Terence Cuneo, (1907-1996) who from the 1940s onwards was commissioned to paint many railway scenes for posters. Illustration showing train winding through idylliic Highland countryside. The artist studied at the Slade and Chelsea Art Schools, London. Cuneo was a prolific painter and his compositions also include portraits, ceremonial and military subjects. Printed by Leonard Ripley & Co Ltd, London
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Mandelbrot fractal set
NOT FOR POSTCARD USE Fractal geometry. A computer graphics image, entitled Star Factory, showing a detail from the outer edgesof the Mandelbrot Set, a group of complex numbersplotted using their real and imaginary parts ascoordinates. The colour of each point depends uponits behaviour under a series of simple, butrepeated, mathematical operations or mappings. Thepatterns are infinitely complicated, but appear torepeat themselves on whatever scale they areviewed. The study of such "chaotic" behaviour isnow used as a means of modelling real-worldprocesses.
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© Gregory Sams/Science Photo Library