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Explores the concept of ‘circle time’, a groupwork activity which encourages participants to talk about their feelings and can be used as a means of developing social behaviours, ethics and morality....
In 1998 a demolished Miami, Florida, apartment block revealed a mysterious and ancient circle of holes cut into the bedrock, nearly 13 metres in diameter. From the finds of bones, shell tools and basalt...
Shows the construction of the strain circle and stress circle from the three strain readings from a strain gauge rosette. Indicates the important values to be read from the strain and stress values, and...
The step-by-step construction of Mohr’s stress circle, and the interpretation of various features in it.
Examines three problems concerning shrinking polygons, shown with animations: 1) taking a unit circle and inscribing an equilateral triangle inside it and then inscribing a circle inside the triangle and...
Discusses how functions x=cos 5, y=sin t can be used to describe a circle parametrically; the standard form for a circle is deduced by eliminating the parameter t. Looks at parametric forms for the ellipse...
Video recording using three cameras of a performance of ‘The Caucasian Chalk Circle’, written by Bertolt Brecht and directed by Simon McBurney. Performed by the Royal National Theatre in collaboration...
Explores the many manifestations of contemporary women’s spirituality. Authors, social activists, teachers and feminists discuss the challenging of patriarchal boundaries. Drawing on customs, rites and...
A unique insight into Hitler’s secret power base and the rise and fall of the Nazi party. Captures the lives and changing fortunes of Hitler and his most trusted inner circle in a way that the public were...
A moving beam of light is used to trace out images of a circle, an ellipse, a parabola and a hyperbola. Uses animation to show how these curves can be drawn using the focus/directrix definition, and also how...
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