Math Forum Internet News

Volume 2, Number 41

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13 October 1997                                Vol. 2, No. 41

                 THE MATH FORUM INTERNET NEWS

Geometry in Action | Knot Sites | Elementary Teachers' Place


            GEOMETRY IN ACTION - David Eppstein

        http://www.ics.uci.edu/~eppstein/geom.html

  Areas in which ideas from discrete and computational 
  geometry - mainly low-dimensional Euclidean geometry - 
  meet some real world applications. There are brief 
  descriptions of those applications and the geometric 
  questions arising from them, as well as pointers to 
  Web pages and other sources of further information. 

  Topics include: 

    - architecture
    - computer aided design/manufacturing
    - computer vision
    - geographic information systems
    - graph drawing
    - medical imaging
    - origami
    - textile layout

   and many more.


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                 MORE WEB RESOURCES FOR KNOTS

       UNTANGLING THE MATHEMATICS OF KNOTS - MegaMath
   http://www.c3.lanl.gov/mega-math/workbk/knot/knot.html

A hands-on exploration of the fundmental ideas of Knot 
Theory, with a variety of activities for exploring knots 
made from pieces of rope. Students can make and verify 
observations about knots, classify them, combine them, and 
find ways to determine whether two knots are alike. The 
activities outlined can be combined to form a single lesson 
about mathematical knots, or a larger investigative unit 
that extends over a longer period of time. The sequence in 
which the activities are listed is roughly in order of 
increasing difficulty and challenge, but all of the earlier 
activities are not strict prerequisites for the later ones.

            THE KNOTPLOT SITE - Robert Scharein
http://www.cs.ubc.ca/nest/imager/contributions/scharein/KnotPlot.html

A collection of knots and links, viewed from a partly 
mathematical perspective. The images were created with 
KnotPlot, a program designed to illustrate and manipulate 
mathematical knots in three and four dimensions. Browse the
picture gallery and read a description of KnotPlot's 
features. 

              KNOTS ON THE WEB - Peter Suber
        http://www.earlham.edu/suber/knotlink.htm

A comprehensive list of knot resources on the Web, annotated 
and organized into four categories: knot tying, knot theory, 
knot art, and knot books. 


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     MATH RESOURCES FOR TEACHERS: PRE-K THROUGH 5TH GRADE

      Online Projects | Lessons | Discussions | Articles 
       - tailored to the elementary level you teach -

  The Math Forum is pleased to announce a reorganization of 
  our elementary level math resources:

   - PRE-KINDERGARTEN Teachers' Place:
     http://mathforum.org/teachers/pre-k/

   - KINDERGARTEN - 2ND GRADE Teachers' Place:
     http://mathforum.org/teachers/elem/k-2/

   - 3RD - 5TH GRADE Teachers' Place:
     http://mathforum.org/teachers/elem/3-5/

     At the top of each of these pages you'll see:
       "This is a new page.
        What do you think of it?"

     We invite you to use the form linked to the question
     to offer your comments and suggestions.


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