This site describes and demonstrates a number of important concepts related to direct current circuits. Information on many of the featured topics, such as the use of Ohm's law and Kirchhoff's laws. Examples of featured topics include...

The site is very easy to read and provides a thorough demystification of Nuclear Magnetic Resonance. Written by Dr. Joseph P. Hornak, a professor of Chemistry and Imaging Science at the Rochester Institute of Technology, the site breaks...

Learn about cause and effect relationships of electric or magnetic interactions between two objects not in contact with each other.

The Massachusetts Institute of Technology offers a free and open educational resource for educators, students and self-learners. The university's physics OpenCourseWare includes a large section on electricity and magnetism. Numerous...

Students learn about static electricity using terms such as friction, induction, and conduction. They also explain and illustrate the difference between alternating and direct current, and understand the relationship among voltage,...

Interested in nanoparticles? Use this challenge to design a coating for a magnet that will pick up different surfaces. Challenge includes tips, a lesson plan, and a place for students to document their engineering design process.

These physics lessons and tutorials are designed to be a resource for learning introductory level, algebra-based physics. Organization is by topic, but a search option is available for quickly finding specific information. Although most...

Students explore electromagnetism and engineering concepts using optimization techniques to design an efficient magnetic launcher. Groups start by algebraically solving the equations of motion for the velocity at the time when a...

In this activity, students will design a process that removes the most iron from the cereal. This activity is meant for the students to experiment with different materials using what they know about iron, magnets, and forces to design...

The Canada Science and Technology Museum tells the history of recorded sound. Learn about the hundreds of sound recording devices in the museum's archives. These are grouped into four main categories: Acoustical-Mechanical Systems,...

In this interactive tutorial students will look at the energy stored in the magnetic field of an inductor. Self-inductance and mutual inductance will be distinguished and circuits with capacitors and inductors, or LC circuits will be...

This site provides a detailed overview of the TRACE (Transition Region and Coronal Explorer) satellite mission, data received, details about the instrumentation, and how to interpret the data.

This PBS site offers videos and activities are hands-on challenges that focus on the engineering design process. They use simple materials, allow for multiple solutions, and are ideal for ages 9-12.

Wikipedia.com provides an excellent introductory site on magnets. Including basic information describing different types of magnets and their characteristics.

Edward Mills Purcell was an American physicist who received half of the 1952 Nobel Prize for Physics for his development of a new method of ascertaining the magnetic properties of atomic nuclei. Known as nuclear magnetic resonance...

This article discusses a map generated by the European Space Agency's Swarm mission that depicts Earth's magnetic field using satellites to measure magnetism. The map reveals magnetic stripes and magnetic anomalies. The article includes...

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]

Isidor Isaac Rabi won the Nobel Prize in Physics in 1944 for his development of a technique for measuring the magnetic characteristics of atomic nuclei. Rabi's technique was based on the resonance principle first described by Irish...

At the dawn of the computer age, magnetic core memory helped make data storage possible, and showed surprising staying power in a field where components are constantly being replaced by new and improved products.

Find out how humans discovered the magnetic lodestone as well as the attracting properties of amber. Advanced societies, in particular the Chinese and the Europeans, exploited the properties of magnets in compasses, a tool that makes...

[Free Registration/Login Required] An informational text about magnets and their uses. A question sheet is available to help students build skills in reading comprehension.

[Free Registration/Login may be required to access all resource tools.] Explains how Earth is a magnet, its geographic and magnetic poles, and its magnetic field.

Anders Celsius is most familiar as the inventor of the temperature scale that bears his name. The Swedish astronomer, however, also is notable as the first person to make a connection between the radiant atmospheric phenomenon known as...

Scientists take important steps toward a fuller understanding of electricity, as well as some fruitful missteps, including an elaborate but incorrect theory on animal magnetism that sets the stage for a groundbreaking invention.