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View Resource Teaching Electromagnetism Using Advanced Technologies

Michael Faraday was the first to realize that the shape of electromagnetic field lines is extraordinarily expressive of their dynamical effects. We can understand intuitively many things about the forces transmitted by the fields by looking at the topology of the field lines. This is especially true when the field lines are animated. The site discusses topics such as: electrostatistics, radiation...

View Resource The Solar Wind

This set of web pages, authored and curated by David P. Stern, provide an elementary introduction to the solar wind, starting with evidence from comet tails and continuing to Parker's theory of the Sun's corona and observations of the solar wind. A graphic exercise, suitable for the classroom, for tracing interplanetary magnetic field lines "dragged out" of the Sun by the solar wind is included....

View Resource Magnetism

This site, created and curated by David Stern, presents the basic ideas of magnetism and applies these ideas to the earth's magnetic field. There are several useful diagrams and pictures interspersed throughout this lesson, as well as links to more detailed subjects. This is an introduction to a larger collection on exploring the Earth's magnetosphere. A Spanish translation is available.

View Resource Close Up of the Aurora

These web pages, authored and curated by David Stern, provide an introduction to the aurora and the physical mechanisms that cause it. They include details about auroral imaging, particularly from satellites, and the fields that give rise to the charge motion that causes the aurora. This is part of a larger web site, "The Exploration of the Earth's Magnetosphere." Translations in Spanish and...

View Resource Infrared Waves

This webpage, part of a National Aeronautics and Space Administration's site on the electromagnetic spectrum, presents information on infrared light. An explanation of how objects emit infrared is provided, along with a diagram of the electromagnetic spectrum. The site contains a number of photos made with infrared light.

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