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Deals in a non-mathematical way with spectra of input waveforms obtained on a spectrum analyser. The waveforms treated in detail are a beat pattern and a sequence of square waves. The effects on the square...
In 2011 filmmaker Jehane Noujaim was a regular visitor to the demonstrations in Tahriri Square in Cairo, and his documentary AL MIDAN (THE SQUARE) captures Egypt’s political upheaval as it happens, with...
A computer exploration of cubic curves, scaling and translating them to see the possibilities. What sort of number is the square root of 2? Numbers can be considered from the point of view of either geometry...
Prawn (nephrops) trawls sometimes catch quantities of juvenile whitefish such as haddock and whiting. Square mesh windows fitted to the top side of prawn cod-ends or extensions allow the juvenile whitefish...
Made in rural Oxfordshire in the 1940s the film followed from intensive research into the socio-economic circumstances of a single 24-square-mile area. The original research was incorporated in C S Orwin’s...
Both an autobiographical work and an attempt to portray the new China, this collage film uses original art and family and archival photos to present a personal perspective on the Cultural Revolution and its...
Explains Newton’s Law of Universal Gravitation and gravitational field strength, especially when applied to satellite orbits. Demonstrates the equations involved throughout, and features worked examples...
Two films from the 1940s depicting rural life in Oxfordshire and Sussex at the time.
Peace march ending in Trafalgar Square in February 1939. Includes shots of John Gollan, Ted Willis and Denis Healey.
Film adaptation of Henry James’s tragic novel starring Jennifer Jason leigh and Albert Finney.
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