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Humphrey Davy found that when thin metal strips were supplied with an electrical current, the metal glowed, but just for a moment. (Cosner, 1984)
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The first primitive electric motor was made in 1821,
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A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.