Research

JAVA Tutorials: Capacitance JAVA Tutorials: Capacitance- An applet which allows the user to adjust the properties of a capacitor and observe the change in capacitance. JAVA Tutorial: Crookes Tube JAVA Tutorial: Crookes Tube- An applet demonstrating the experiment of Crookes to show electrons travel in straight paths. The MIT Course in Electromagnetism 2000 The MIT Course in Electromagnetism 2000- John Belcher's course explains what is happening in electromagnetic experiments. Electrodynamics Textbook Electrodynamics Textbook- An electrodynamics Internet textbook project presenting a new, modern, on-line textbook on advanced electrodynamics, free to download and to contribute t… Introductory Electromagnetics Introductory Electromagnetics- Dot and cross products, line integrals of vector fields, gradient of a scalar field, divergence and curl, working in different coordinate systems, C… Lessons in Electric Circuits Lessons in Electric Circuits- Online book by Tony R. Kuphaldt on dc and ac electric circuits, semiconductor devices, analog and digital circuits. Timothy J. Warnock: Blog Timothy J. Warnock: Blog- Dedicated to the natural order of the universe and to the irrational and logical chaos it presents. RJN's More Digits of Irrational Numbers RJN's More Digits of Irrational Numbers- Several million digits of e, and the square roots of 2, 3, 5, 6, 7, 8, and 10. Fibonacci Numbers and the Golden section in Nature Fibonacci Numbers and the Golden section in Nature- Puzzles and things to do, for schools, teachers, colleges up to university level students, or just for recreation. Sum Beastliness Sum Beastliness- Some simple mathematics associated with 666, the Number of the Beast. 37 Heaven 37 Heaven- Collects information around the number thirty-seven. Wikipedia - Mathematical constant Wikipedia - Mathematical constant- A list of constants with links to more detailed information. World of Numbers World of Numbers- Includes a collection of randomly gathered numbers, curios, puzzles, palindromes and primes. Ask Dr. Math: History of the Terms Google and Googleplex Ask Dr. Math: History of the Terms Google and Googleplex- Explains how these very large numbers (1 followed by a hundred zeroes, and 1 followed by a google of zeroes, respectively… Jewish Encyclopedia: Numbers and Numerals Jewish Encyclopedia: Numbers and Numerals- Discusses the uses and symbolism of various numbers in Hebrew literature. Triangular Numbers Triangular Numbers- Properties of triangular numbers including reversible, happy, harshad, highly composite, deficient, abundant ones. Stewy's Site Stewy's Site- The infinitesimal is the opposite of infinity, and mathematicians still argue over its existence. This page probes into one of the weirdest numbers in mathematics. Absolutely Abnormal Numbers Absolutely Abnormal Numbers- Published as math.NT/0006089, this note investigates numbers that are normal to no base whatsoever, and writes down explicitly such a number. Catalan Number -- MathWorld Catalan Number -- MathWorld- Illustration of the Catalan numbers related to Euler's polygon division problem. FAQ on Special Numbers FAQ on Special Numbers- Answers to Frequently asked questions about special numbers. Indian numerals Indian numerals- Describes the history of the Indian numeral system. Arabic numerals Arabic numerals- Describes the history of the Arabic numeral system that is in use nearly all over the world today. Mathematical Constants and Computation Mathematical Constants and Computation- Essays, references, links, software. Pi Day Pi Day- Activities for a Pi Day, March 14 (3.14) celebration including pi math problems, history, songs, stories, and greetings. E-Z Geometry E-Z Geometry- For high school teachers and students. Products include an interactive textbook, class video clips, projects, glossary, and resource links. Mazes and Mathematics Mazes and Mathematics- History and mathematical analysis of labyrinths. Topology Topology- Descriptions and illustrations of several topological and differential geometry related notions. Topology Topology- Lecture notes by David R. Wilkins at Trinity College, Dublin. What is Topology? What is Topology?- An introductory essay by Neil Strickland, University of Sheffield. Topology Course Lecture Notes Topology Course Lecture Notes- By Aisling McCluskey and Brian McMaster. HTML with symbol fonts, DVI and PostScript.