- Hovemere Ltd - http://www.hovemere.com/
Scientific instrument company specialising in Optical and Electronic Measurement Systems, UK.
- CEDRAT - http://www.cedrat.com/
Provides a fully integrated line of tools, products and services in electrical engineering.
- X-ray Optics and Microscopy at Stony Brook - http://xray1.physics.sunysb.edu/
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.
- Science Ebooks Ezine - http://www.science-ebooks.com
This site offers a variety of electronics and physics animations and visual aides for teachers or students.
- Electricity and Magnetism - http://theory.uwinnipeg.ca/mod_tech/node83.html
An excerpt of a set of online course notes focusing on electricity and magnetism.
- Electromagnetic Spectrum - http://imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html
A NASA site listing the various wavelengths of electromagnetic radiation.
- Paradoxes of Modern Electrodynamics - http://www.pwaves.0catch.com
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.
- Magnet Formulas - http://www.netdenizen.com/emagnet/
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.
- Electromagnetism - http://www.pa.msu.edu/people/stump/EM/
Authors' web pages for the textbook "Electromagnetism", by G. L. Pollack and D. R. Stump, published by Addison-Wesley.
- Magnet University - http://www.rare-earth-magnets.com/magnet_university/magnet_university.htm
Educational information on electromagnetism, permanent magnets, and the application of magnetic materials. The site is maintained by the company Rare-Earth Magnetics.
- How a metal detector works - http://micro.magnet.fsu.edu/electromag/java/detector/
Interactive Java tutorial explaining the principles of electromagnetic induction.
- Vacuum Tube Diode - http://micro.magnet.fsu.edu/electromag/java/diode1/
A demonstration of how a vacuum tube diode works.
- Electromagnetic Induction - http://micro.magnet.fsu.edu/electromag/java/faraday2/
A virtual experiment on creating electric current with a changing magnetic field.
- Basic Electronics - http://science-ebooks.com/electronics/basic_electronics.htm
Online book which covers topics from ohms law to digital circuits. Contains interactive troubleshooting simulations.
- Differential Forms in Electromagnetic Theory - http://www.ee.byu.edu/ee/forms/forms-home.html
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.
- How an Electromagnet Works - http://www.howstuffworks.com/electromagnet.htm
Explanation of principles and experiments, from How Stuff Works.
- Electrodynamics in Relativistic Notation - http://electron6.phys.utk.edu/phys594/Tools/e%26m/summary/relativistic/relativistic.html
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.
- How a Compass Works - http://www.howstuffworks.com/compass.htm
Explanation of how compasses work and how to make your own, from How Stuff Works.
- How Solar Cells Work - http://www.howstuffworks.com/solar-cell.htm
Principles of operation of silicon photovoltaic cells.
- Electromigration - http://www.theo-phys.uni-essen.de/tp/forsch/krug.html
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.
- Electrostatics equations - http://electron6.phys.utk.edu/phys594/Tools/e&m/summary/electrostatics/electrostatics.html#Properties%20of%20conductors%20in%20electrostatic
Main equations and formulas of electrostatics.
- EMCoS - Electromagnetic Consulting and Software - http://www.emcos.com
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.
- Electromagnetic Inertia - http://www.mariner.connectfree.co.uk/html/e_m_inertia.html
Derivation and proof of the inertial properties of electrostatic and magnetostatic fields.
- Maxwell's Equations - http://rd11.web.cern.ch/RD11/rkb/PH14pp/node108.html
Description of Maxwell's equations.
- Wondermagnet.com - http://www.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.
- Electromagnetic Radiation Spectrum Poster - http://unihedron.com/projects/spectrum/
A poster of all known ranges of EMR including gamma rays, x-rays, ultraviolet light, visible light, infrared, microwaves, radio waves.
- Spin Science - http://www.science.uva.nl/research/cmp/goedkoop/group/index.html
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 - http://www.amasci.com/emotor/statelec.html
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 - http://www.amasci.com/emotor/vdg.html
This site includes information on how Van de Graaff Generators work, typical classroom demonstrations, and instructions for building one.
- PowerLabs Rail Gun - http://www.powerlabs.org/railgun2.htm
Electromagnetic capacitor powered 20kJ rail gun research.
- Electromagnetic spectrum redefined - http://www.geocities.com/raomap/discovery5.html
Bharat radiation from excited atoms of radioisotopes and XRF sources is a new part of electromagnetic spectrum.
- Static Electricity - http://homepages.pavilion.co.uk/jeremys/
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.
- EMF Shielding in Buildings - http://brookesems.com.au
Remediation of EMF interference in buildings. Custom designed, quality EMF shielding.
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