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Consider these weird universes and ways in which the stick man can shoot the robot in the back.
This article (the first of two) contains ideas for investigations. Space-time, the curvature of space and topology are introduced with some fascinating problems to explore.
Explore the properties of perspective drawing.
How can you represent the curvature of a cylinder on a flat piece of paper?
Can you make a new type of fair die with 14 faces by shaving the corners off a cube?
An introduction to bond angle geometry.
How many different colours would be needed to colour these different patterns on a torus?
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Some simple ideas about graph theory with a discussion of a proof of Euler's formula relating the numbers of vertces, edges and faces of a graph.
Put your visualisation skills to the test by seeing which of these molecules can be rotated onto each other.
The second in a series of articles on visualising and modelling shapes in the history of astronomy.
This is the first article in a series which aim to provide some insight into the way spatial thinking develops in children, and draw on a range of reported research. The focus of this article is the. . . .
This article explores ths history of theories about the shape of our planet. It is the first in a series of articles looking at the significance of geometric shapes in the history of astronomy.
A cube is made from smaller cubes, 5 by 5 by 5, then some of those cubes are removed. Can you make the specified shapes, and what is the most and least number of cubes required ?