 Level Set Methods for Shape Recovery  J. A. Sethian
Overview of a movie on medical imaging. Imagine that you are given an image, say a medical (MRI or CT) scan. Suppose you want to extract the important feature within the image of a digital subtraction angiogram (DSA); in this case, the outline of the
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 Library of 3D Molecular Structures (MathMol)  NYU/ACF Scientific Visualization Laboratory
The MathMol library contains 3D structures for many molecules discussed in modern K12 science textbooks. Choose from Water and Ice; Carbons; Hydrocarbons; Molecules of Life (Hydrocarbons, Amino Acids, Nucleotides, Lipids, Sugars, Photosynthesis), Drugs,
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 Living Graphs  Living Graphs Inc.
Makers of ChaosLab, an interactive math package for visualizing and understanding fractal geometry and chaos theory. This PC software title covers bifurcation diagrams, the chaos game, coin tosses, diffusion limited aggregation, Levy flight, Pascal's
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 Maryland Virtual High School of Science and Mathematics (MVHS)
Maryland students and teachers use the Internet to collaborate with peers in carrying out visually compelling, computational science explorations. Classroom projects and ideas include collaborative projects, system dynamics activities, and computational
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 MASTER Tools: Modeling And Simulation Tools for Education Reform  Shodor Education Foundation, Inc.
Interactive models and curricular materials, including: a galaxy simulation, fractal modelling tools, an energy minimization program using simulated annealing, biomedical and environmental models, a graphing tool with animation option, and a simulation
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 Math and Sciences  Canada's SchoolNet
Annotated lists of science and math resources for: biology and health, chemistry, environment and ecology, mathematics, physics, and technology, with an emphasis on Canadian sites.
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 Mathematical BBS (Mathematics)  Mathematics Dept., Univ. of Ferrara, Italy
Collections of resources: Associations, Departments, Disciplines, Journals, Industrial mathematics, the mathematician. Disciplines include: Algebra; Algebraic geometry; Analysis; Applied Mathematics; Categories; Combinatorics; Complex analysis; Computational
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 Mathematical Ideas in Science  Seven Stones Multimedia
A series of tutorial modules using JavaScript, Shockwave for Director, or Shockwave Flash: sphere packings, shapes and lattices; waves described, longitudinal and transverse wave lab, 2dimensional harmonic disturbance; 2dimensional vector components
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 Mathematical Life Sciences Archives  Dobos, Bross, Zimmermann; University of Tennessee, Knoxville (UTK)
A collection of links to sites in: Artificial Life and Complex Systems; Atmospheric Sciences; Biochemistry; Biological Gopher, WWW Servers; Biological and Medical Internet Directories; Botany; Chemistry; Ecology; Educational Materials; Environmental Science;
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 Mathematics and Computer Science Division (MCS)  Argonne National Laboratory
One of the U.S. Department of Energy's largest energy research centers. Research falls into broad categories: Numerical Methods and Software Development; Systems Software and Parallel Programming Tools; Applied Mathematics and LogicBased Systems; Distributed
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 Mathematics and Physical Science  Terri Lynn Easter, Bishop Ready High School
Audio lectures with notes for Algebra I, Algebra 2/Trig, Calculus,
Chemistry/Physics for 9th grade.
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 Mathematics as a Language  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
An essay defending the language of mathematics, including examples from plain English, linguistics, life sciences, physics and chemistry, and deliberate misuse, and math lingo: a bad meme virus.
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 Mathematics Journals (AMS)  American Mathematical Society
A list of mathematics journals with articles on the Web and a list of Web sites for printed journals, with tables of contents of issues, abstracts of papers, actual papers, information about submissions and subscriptions, etc. See also the Annual Listing
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 Math Made Interesting  ThinkQuest 1996
Interesting interdisciplinary problems and proofs: Algebra: Chemistry, Business, Finance. Geometry: Angles, Triangles, Polygons (proofs provided). Calculus.
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 MathPad Software  MathPad Software Corp, Ltd.
MathPad provides math, science, and engineering software for engineering, research, academia, and government, serving online Webbased mathematics tools and integrating technical expertise and software development in numeric analysis and thermodynamic
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 Math & Science Lesson Plans  Science and Math on the Net (SAMNet)
Lesson plans developed during various SamNet symposiums and related workshops. A collaboration between the NSF Center for Advanced Liquid Crystalline Optical Materials (ALCOM), the Department of Mathematics and Computer Science, and the Libraries of
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 MicroScapes  Lucent Technologies
A series of photographs taken through high power microscopes. Galleries include:
Silicon Dreams, Atoms and Ions, The Edge of Light, Solid States, Symmetry in Motion, and Memories, Glass and Apparitions.
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 The Museum of Scientific Discovery (MSD)
An interactive science and technology center in Harrisburg, Pennsylvania. Online science exhibits, links to other Internet science resources, and Educator's Express, an annual publication designed to familiarize teachers and other group leaders with
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 Museum of the History of Science  Oxford University, U.K.
The Museum houses a collection of historic scientific instruments in the Old Ashmolean on Broad Street, Oxford, covering almost all aspects of the history of science, from antiquity to the early twentieth century. Particular strengths include the collections
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 The Nature of Physical Science  Richard Brill
A Honolulu Community College course, based around the Web and a series of television programs, that focuses on the history of science and its effects on our culture. Study guides are detailed outlines of various topics, including the foundations of arithmetic,
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 Nobel Prize Internet Archive  Almaz Enterprises
An interactive archive devoted to Nobel Prizes and prizewinners. Browse by prize type or search by keyword. Additional information about the lack of a prize in mathematics, women laureates, and the Ig Nobel Prizes.
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 Omni Calculator  Piotr Malek
Freely offering calculator apps, as well as the code for calculators to customize and embed in your own website. Calculators for math applications include roots and exponents, percentages, proportions, distances in two and three dimensions, and several
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 Online Chemistry Calculators  David Hsu
Convert units of energy, pressure, volume, temperature, mass, and power, or make calculations using the ideal gas law and different units.
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 Origami Page  Joseph Wu
Origami is the art of paper folding. The word is Japanese, literally meaning "to fold" (oru) "paper" (kami). Links to photo galleries, information on origami, files and diagrams, other origami home pages, and areas related to origami (A paper on Molecular
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 Personal Tutor  Memory Banks Pty. Ltd., Australia
Maths and science software designed to complement the secondary school math syllabus. A comprehensive learning system usually used by students and schools as a supplement and aid to coursework, but thorough enough that it can be used by individuals without
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 Polyhedra in the Classroom  Suzanne Alejandre
Middle School student activities to pursue with a computer in the classroom. Introduction to Polyhedra; paper nets to print out and fold; Kaleidotile; Buckyballs; Crystals (paper nets, systems); Cube coloring problems; links to polyhedra on the Web.
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 PositiveNegative Charge Model For Integers (SMILE)  Barbara Williams, J. N. Thorp School
A lesson designed to teach students to represent operations on integers with positive and negative charges. From the Algebra and Trigonometry section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning
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 Powers of Ten  Bruce Bryson
A series of images based on the book Powers of Ten, by Philip and Phyllis Morrison and the Office of Charles and Ray Eames. Each picture's subject is ten times wider or narrower than the next. Images range from quarks at 1016 meters to groups of galaxies
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 Scientific American
The online version of the technology magazine, with interlinked articles, interviews with scientists, Ask the Experts, and Explorations, guided tours across the Web of recent technological developments. An archive of past articles is included.
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 SelfInstructional Mathematics Tutorials  Center for Support of Teaching and Learning, Syracuse University
Selfinstructional material for university students of chemistry, economics, political science and/or psychology. Math topics include fractions, decimals, percents, ratios and proportions, tables, bar graphs, circle graphs, the visual display of information,
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 Shodor Education Foundation, Inc.
A nonprofit research and education organization dedicated to the advancement of science and math education, specifically through the use of modeling and simulation technologies. Interactive middle school lessons aligned with curricula are available through
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 Soap Bubbles  Ron Hipschman; The Exploratorium
Why does a bubble form a sphere? Why not a cube, tetrahedron, or other geometrical figure? This site from San Francisco's Exploratorium provides information on the shape of bubbles and what happens when bubbles meet, with formulas for longlife bubble
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 Statistics lessons using data on the Internet  Mathematics Department, University of WisconsinLa Crossse
Lesson plans for mathematics, science, and social studies secondary school teachers, which apply statistical analysis to data obtained from the Internet.
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 Student Activities from Jefferson Lab's BEAMS Program  Steve Gagnon
Middle school science and math activities from Jefferson Lab. Each activity includes a teacher overview, student and teacher materials which may be viewed online or downloaded in PDF format, and a list of the relevant Virginia State Standards of Learning.
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 Studying Polyhedra  Suzanne Alejandre
What is a polyhedron? A definition and a Java applet to help in exploring the five regular polyhedra to find how many faces and vertices each has, and what polygons make up the faces. Also links to a page of information about buckyballs, stories written
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 Vernier Software  Vernier Software
Products and services for classroom data collection. CalculatorBased Laboratory System (CBL) products, such as motion detectors, accelerometers, colorimeters, radiation monitors, and other sensors and curricular materials, allow students to collect and
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 Videos for the Curious Mind  TMW Media Group
A catalog of educational videos, with teacher guides, to supplement classroom, home, or independent study. Tapes include Algebra Tutor, Geography, Understanding Science, the Tell Me Why Children's Video Encyclopedia series based on the books by Arkady
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 The Virtual Mathematics Center  Martindale's Graduate & Undergraduate Center
Preprints and online journals from a wide variety of math and science organizations; Online math dictionaries and encylopedias; mathematics courses, tutorials and databases; courses by subject; related mathematics information and databases.
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 Vision Props of Signed Numbers (SMILE)  Mable McMiller, South Shore High School
A lesson designed to teach students about the number line and signed numbers by working with acid and alkaline solutions. From the Algebra and Trigonometry section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative
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 Water Tidbits: Questions and Answers  U.S. Geological Survey (USGS)
Topics covered include: Water use in the United States, USGS water data and measurements; Water use in your home; Chemistry and water. Links to other sites about water.
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 The Why Files  University of Wisconsin
An electronic exploration of the issues of science, math, and technology that lurk behind the headlines of the day, presenting those topics in a clear, entertaining and accessible manner. Provides a bimonthly feature on the science of everyday life, archived
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 Zome System  Zometool, Inc.
Available in kits of various sizes, Zometool is a 31zone design tool and educational toy for kids, hobbyists, students, teachers and researchers. Precisionmolded in ABS plastic, Zometool models spatial structures representing hyperspaces of up to 31
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