Electromagnetism

How a Compass Works - Explanation of how compasses work and how to make your own, from How Stuff Works.
http://www.howstuffworks.com/compass.htm

Science Ebooks Ezine - This site offers a variety of electronics and physics animations and visual aides for teachers or students.
http://www.science-ebooks.com

Solar (photovoltaic) cells - The site of Norwegian University describing principles of operation of solar cells, photovoltaic effect, pn junctions, generation and recombination.
http://org.ntnu.no/solarcells/

Is it Possible to Generate Electricity Directly from Heat? - A brief explanation from How Stuff Works.
http://www.howstuffworks.com/question136.htm

How Solar Cells Work - Principles of operation of silicon photovoltaic cells.
http://www.howstuffworks.com/solar-cell.htm

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.
http://www.netdenizen.com/emagnet/

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.
http://members.tripod.com/~urila/cdte.htm

Maxwell's Equations - Description of Maxwell's equations.
http://rd11.web.cern.ch/RD11/rkb/PH14pp/node108.html

Electrostatics equations - Main equations and formulas of electrostatics.
http://electron6.phys.utk.edu/phys594/Tools/e&m/summary/electrostatics/electrostatics.html#Properties%20of%20conductors%20in%20electrostatic

Electrodynamics in Relativistic Notation - Describes Lorentz scalars, covariant and contravariant vectors and tensors, and how to use relativistic notation to describe charge conservation and the inhomogenous wave equation for potentials.
http://electron6.phys.utk.edu/phys594/Tools/e%26m/summary/relativistic/relativistic.html

How an Electromagnet Works - Explanation of principles and experiments, from How Stuff Works.
http://www.howstuffworks.com/electromagnet.htm

The Van de Graaff Generator Website - Information on how Van de Graaff Generators work, typical classroom demonstrations, and instructions for building one.
http://www.amasci.com/emotor/vdg.html

Differential Forms in Electromagnetic Theory - The differential forms research group at BYU is investigating the use of the calculus of differential forms in teaching and research. Differential forms have been used to express Maxwell's laws since early in this century, but many of the advantages of forms as a tool for applied electromagnetics have only recently been discovered.
http://www.ee.byu.edu/ee/forms/forms-home.html

Maxwell's Equations and Electromagnetic Waves - An overview of Maxwell's Equations and how they determine the speed of light.
http://www.phys.virginia.edu/classes/109N/more_stuff/Maxwell_Eq.html

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.
http://www.science.uva.nl/research/cmp/goedkoop/group/index.html

How Van de Graaff Generators Work - Description of Van de Graaff generators and static electricity, from How Stuff Works.
http://www.howstuffworks.com/vdg.htm

Applied Computational Electromagnetics Society - ACES provides a forum for issues relevant to numerical modeling in applied electromagnetics.
http://aces.ee.olemiss.edu/

How a metal detector works - Interactive Java tutorial explaining the principles of electromagnetic induction.
http://micro.magnet.fsu.edu/electromag/java/detector/

Electromagnetic Spectrum - A NASA site listing the various wavelengths of electromagnetic radiation.
http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html

The Electromagnetic Field Tensor - A page of notes on advanced methods of electromagnetism
http://www.mth.uct.ac.za/omei/gr/chap4/node7.html

CEDRAT - Provides a fully integrated line of tools, products and services in electrical engineering.
http://www.cedrat.com/

Negative Permittivity and Permeability Material - The true "left handed" material is described. In this medium, light waves are expected to exhibit a reverse Doppler effect.
http://www.aip.org/enews/physnews/2000/split/pnu476-1.htm

PowerLabs Rail Gun - Electromagnetic capacitor powered 20kJ rail gun research.
http://www.powerlabs.org/railgun2.htm

Wireless Lab at Nizhny Novgorod University - Laboratory of Physical Fundamentals and Technologies of Wireless networks at Nizhny Novgorod State University, Russia.
http://www.wl.unn.ru

EMCoS - Electromagnetic Consulting and Software - The company specializes in consulting on electromagnetic problems and in development of sophisticated software for electromagnetic simulations, as well as in data processing and visualization. Based in Tbilisi, Georgia.
http://www.emcos.com

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.
http://www.pwaves.0catch.com

Electromagnetic Railgun System - Design, construction and theory of electromagnetic railgun. Matthew Massey's Web Site.
http://www.matthewmassey.com/

Basic Electronics - Online book which covers topics from ohms law to digital circuits. Contains interactive troubleshooting simulations.
http://science-ebooks.com/electronics/basic_electronics.htm

Static Electricity - Website by Jeremy Smallwood on static electricity. Describes the physics phenomena, possible electrostatic damages, materials for electrostatic solutions, and standards. Gives advice on solution of common problems.
http://homepages.pavilion.co.uk/jeremys/

Hovemere Ltd - Scientific instrument company specialising in Optical and Electronic Measurement Systems, UK.
http://www.hovemere.com/

X-ray Optics and Microscopy at Stony Brook - Research describing use of coherent soft X-rays for optics experiments, including Fresnel zone plates, to produce the smallest focused spot of electromagnetic waves for studies of biological and materials science specimens.
http://xray1.physics.sunysb.edu/

Vacuum Tube Diode - A demonstration of how a vacuum tube diode works.
http://micro.magnet.fsu.edu/electromag/java/diode1/

The Electric Ship Research and Development Consortium - Combined programs and resources of leading electric power research institutions for research on near to mid-term electric ship concepts. The Office of Naval Research manages the ESRDC.
http://esrdc.caps.fsu.edu

Static Electricity Projects - Site devoted to projects utilizing static electricity (motors, generators) which are simple enough and can be relatively easily built.
http://www.amasci.com/emotor/statelec.html

Electricity and Magnetism - An excerpt of a set of online course notes focusing on electricity and magnetism.
http://theory.uwinnipeg.ca/mod_tech/node83.html

Magnet University - Educational information on electromagnetism, permanent magnets, and the application of magnetic materials. The site is maintained by the company Rare-Earth Magnetics.
http://www.rare-earth-magnets.com/magnet_university/magnet_university.htm

Electromagnetic Inertia - Derivation and proof of the inertial properties of electrostatic and magnetostatic fields.
http://www.mariner.connectfree.co.uk/html/e_m_inertia.html

High Field Magnet Laboratory (HFML) - Research in the high magnetic field facility in Nijmegen, the Netherlands.
http://www.hfml.sci.ru.nl/

VRML Gallery of Electromagnetism - Visualization of the electromagnetic field.
http://physics.syr.edu/courses/vrml/electromagnetism/

Electromagnetic Induction - A virtual experiment on creating electric current with a changing magnetic field.
http://micro.magnet.fsu.edu/electromag/java/faraday2/

Electromagnetism - Authors' web pages for the textbook "Electromagnetism", by G. L. Pollack and D. R. Stump, published by Addison-Wesley.
http://www.pa.msu.edu/people/stump/EM/

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.
http://peswiki.com/index.php/Directory:Lightning_Power

EMF Shielding in Buildings - Remediation of EMF interference in buildings. Custom designed, quality EMF shielding.
http://brookesems.com.au

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.
http://www.wondermagnet.com/

Electromagnetic spectrum redefined - Bharat radiation from excited atoms of radioisotopes and XRF sources is a new part of electromagnetic spectrum.
http://www.geocities.com/raomap/discovery5.html

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.
http://unihedron.com/projects/spectrum/

Electrostatic Solutions Ltd - Static electricity information and expertise, ESD in electronics manufacture, how to avoid electrostatic fires, ESD training, research and consultancy.
http://www.electrostatics.net

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.
http://www.theo-phys.uni-essen.de/tp/forsch/krug.html