A reference page to learn about magnetic flux means and how to calculate it. Reference page includes explanation and exercise.

Prof. Eric Hellstrom of the lab's Applied Superconductivity Center uses a toy train to demonstrate magnetic levitation, the Meissner Effect and magnetic flux trapping. [6:30]

This is an article describing the political instability in early 20th Century Mexico. It focuses on the fall of social reformer Madero and the rise of military dictator Huerta. You'll find info on the clashes and upheaval this caused.

This is the definitive source for information on SI base units, derived units, squares, cubes, luminosity, field strength and flux density.

This article surveys inductance and its different forms. It discusses numerous topics associated with inductance such as Faraday's Law, self and mutual inductance, inductors, and magnetic field lines.

Excellent introduction to Heraclitus' difficult philosophy from the Internet Encyclopedia of Philosophy. Includes biography relating him to other Ionian and Milesian philosophers. Quotes several of his fragments.

An explanation of ocean chemistry, supported by illustrations, for example, of the global carbon cycle in the 1980s and the annual carbon dioxide flux. The concentration of nutrients in the ocean is discussed for its impact on marine...

An electromagnetic induction model that simulates an electric generator made from a conducting loop rotating in a uniform magnetic field and connected to an ammeter.

An electrostatic simulation that moves beyond the two-dimensional representations a book may provide. Try this Gauss' Law model which shows the electric field and potential for cylindrical and spherical symmetry.

Explains what welding is and provides a detailed comparison of three different methods of doing it, including their processes, uses, advantages, and disadvantages.

This site from the encyclopedia Wikipedia provides a concise definition of magnetic permeability given in terms of magnetic flux density and magnetic field strength.

This site presents a general overview of the sun, followed by questions scientists are currently trying to find answers to, and links to several "Sun related," sources.

Read about the different types of welding and how they are done.

Do you know how to induce an electromotive force? This reference page will help you understand why Faraday's law mean and how to use it.