Template:Are You Sure/February 26: Difference between revisions
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• ... that | • ... that mathematician and politician '''[[François Arago (nonfiction)|François Arago]]''' observed that a rotating plate of copper tends to communicate its motion to a magnetic needle suspended over it, an effect which now known as eddy current? | ||
Latest revision as of 12:58, 8 February 2022
• ... that mathematician and politician François Arago observed that a rotating plate of copper tends to communicate its motion to a magnetic needle suspended over it, an effect which now known as eddy current?