Wondermagnet.com - Images of magnets and their uses, experiments, a discussion board about magnet-related topics, and an elementary primer on magnetism and magnetic physics. CEDRAT - Provides a fully integrated line of tools, products and services in electrical engineering. How a Compass Works - Explanation of how compasses work and how to make your own, from How Stuff Works. Basic Electronics - Online book which covers topics from ohms law to digital circuits. Contains interactive troubleshooting simulations. Magnet Formulas - A small web site devoted to the vanishing art of practical magnet design without FEA, including field formulas for simple conductor configurations, air core solenoids and Helmholtz Coils. Science Ebooks Ezine - This site offers a variety of electronics and physics animations and visual aides for teachers or students. CdTe Gamma Detectors Equipped With Ohmic Contacts - Gamma induced currents in CdTe and CdZnTe semiconductor detectors equipped with ohmic contacts are not sensitive to hole trapping. Maxwell's Equations and Electromagnetic Waves - An overview of Maxwell's Equations and how they determine the speed of light. Paradoxes of Modern Electrodynamics - Provides analysis of some modern electrodynamics concepts including peculiarities and «white spots» in the model of an electromagnetic wave. The site is in English and Russian. Electromagnetism - Authors' web pages for the textbook "Electromagnetism", by G. L. Pollack and D. R. Stump, published by Addison-Wesley. How a Metal Detector Works - Interactive Java tutorial explaining the principles of electromagnetic induction. Vacuum Tube Diode - A demonstration of how a vacuum tube diode works. Electromagnetic Induction - A virtual experiment on creating electric current with a changing magnetic field. How an Electromagnet Works - Explanation of principles and experiments, from How Stuff Works. How Van de Graaff Generators Work - Description of Van de Graaff generators and static electricity, from How Stuff Works. Is it Possible to Generate Electricity Directly from Heat? - A brief explanation from How Stuff Works. Electromigration - Surface electromigration refers to the directed motion of atoms (adatoms) at solid surfaces, grain boundaries and interfaces which is caused by an electric current in the bulk of the material. It is considered a key factor determining the reliability of integrated circuits. Electromagnetic Radiation Spectrum Poster - A poster of all known ranges of EMR including gamma rays, x-rays, ultraviolet light, visible light, infrared, microwaves, radio waves. Spin Science - Research conducted at the University of Amsterdam utilizing x-ray magneto-optical techniques for the study of thin film and nanometric magnetic systems. Static Electricity Projects - Site devoted to projects utilizing static electricity (motors, generators) which are simple enough and can be relatively easily built. The Van de Graaff Generator Website - Information on how Van de Graaff Generators work, typical classroom demonstrations, and instructions for building one. PowerLabs Rail Gun - Electromagnetic capacitor powered 20kJ rail gun research. Electricity from Lightning - Site addresses the power of lightning, and the question of how to harness that power, whether there are substantial reasons not to. Electrostatic Solutions Ltd - Static electricity information and expertise, ESD in electronics manufacture, how to avoid electrostatic fires, ESD training, research and consultancy. Differential Forms in Electromagnetic Theory - Research group at Brigham Young University is investigating the use of the calculus of differential forms in teaching and research. Einstein–de Haas Effect - Article from Wikipedia on this physical phenomenon demonstrated by Albert Einstein and Wander Johannes de Haas in Germany in the mid 1910's. Electrostatics equations - Main equations and formulae of electrostatics. EM Talk - Tutorials and information on electromagnetics and microwave engineering topics. Magnet University - Educational information on magnet properties. Maintained by the company Rare-Earth Magnetics. How Solar Cells Work - Principles of operation of silicon photovoltaic cells.