1 Professor Eric Laithwaite: Magnetic River 1975
A demonstration of alternating magnetic fields, including levitating conductive rings and a travelling wave, referenced when people ask about induction and levitation.
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A demonstration of alternating magnetic fields, including levitating conductive rings and a travelling wave, referenced when people ask about induction and levitation.
An explanation of how the mechanical kilowatt hour meter on a house works, recommended as a clear way to study the spinning disc and its magnets.