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Curated by: Kathy Loves Physics (123 videos)
How does a vacuum triode work and why was it invented? This is the story of a smudge in a light bulb, an assistant with a good memory and a con artist working around a patent and one of the most important wires in history! Check it out. The movie where they extoled the virtues of the vacuum tube is from: https://youtu.be/_-JzxX75oYc And, as usual, the music is from the amazing Kim Nalley.