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Inventado por Joseph Henry
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Thomas Alva Edison patenta su descubrimiento
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(John Ambrose Flemming)
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(Lee de Forrest)
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(William B. Shockley, John Bardeen y Walter Brattain)
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J. Bardeen y W. Brattain
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Ahora son de transistores
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Mamá
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Jack Kilby para Texas Instruments
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Intel
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Yo
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.