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Newsletter: Math Forum Internet News No. 2.41 (Oct 13)
Posted:
Oct 12, 1997 12:55 PM


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 lowdimensional 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/megamath/workbk/knot/knot.html
A handson 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: PREK 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:
 PREKINDERGARTEN Teachers' Place: http://forum.swarthmore.edu/teachers/prek/
 KINDERGARTEN  2ND GRADE Teachers' Place: http://forum.swarthmore.edu/teachers/elem/k2/
 3RD  5TH GRADE Teachers' Place: http://forum.swarthmore.edu/teachers/elem/35/
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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CHECK OUT OUR WEB SITE:
The Math Forum http://forum.swarthmore.edu/ Ask Dr. Math http://forum.swarthmore.edu/dr.math/ Problem of the Week http://forum.swarthmore.edu/geopow/ Internet Resources http://forum.swarthmore.edu/~steve/ Join the Math Forum http://forum.swarthmore.edu/join.forum.html
SEND COMMENTS TO comments@forum.swarthmore.edu
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The Math Forum ** 13 October 1997
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