|Searched for: GEM Subject is Science -- Physics
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This web page, created by David P. Stern, describes magnetic substorms and storms, their properties, and their relations to charged particle flow and auroras. It includes descriptions of the magnetic field changes in...
This page, authored and curated by David P. Stern, and its annex describes, in trivial terms, the physics of magnetic fields and the history of its discovery. Included is the work of Halley, Oersted, Ampere and Maxwell....
First of several linked files, telling the early history of the compass (discovered in China) and how Robert Norman in 1581 showed the magnetic force was not horizontal but slanted downwards, followed by William...
Created by Paul Falstad, this page compares the distance/magnitude/size of various objects or constants. This includes physical dimensions such as the diameter of particles, atoms and biological cells, the height of Mt....
The teaching of physics is clearly enhanced by the use of demonstrations. Visual examples of abstract concepts aid immeasurably in their mastery. They also provide an opportunity to illustrate the scientific method and...
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