Prepare a classroom demonstration of topology by drawing geometric figures on a piece of rubber inner tube. Demonstrate to the class various ways in which these figures can be distorted.
The problem shown in the News … See the whole entry
Videos:
Introduction to Fractal Geometry (time: 1:41)
If you are fascinated with fractals and would like a complete introduction, this video gives you a complete lecture on this topic. time: 53:45)
This is a video on using geoboards (time: 2:01)… See the whole entry
This site investigates the four-color problem:
http://www-groups.dcs.st-andrews.ac.uk/~history/HistTopics/The_four_colour_theorem.html
A beautiful gallery of fractal designs are found on these sites:
http://fractals.hauner.cz/1
A site showing some of Escher’s tessellations is interesting:
http://www.mathacademy.com/pr/minitext/escher/
This site shows the colorful answer to Problems 24 and 25:… See the whole entry
However, as you go through the book be sure you look at all the examples in the text. If you need hints for the Level 3 … See the whole entry
Two geometric figures are said to be topologically equivalent if one figure can … See the whole entry