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On J.j. Thomson
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Science lecturers who traveled from town to town in the middle nineteenth century delighted audiences by showing them the ancestor of the neon sign. They took a glass tube with wires embedded in opposite ends . . . put a high voltage across . . . pumped out most of the air . . . and the interior of the tube would glow in lovely patterns. In 1859 ....
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....ys were not deflected in the way that would be expected of electrically charged particles. Hertz and his student Philipp Lenard also placed a thin metal foil in the path of the rays and saw that the glass still glowed, as though the rays slipped through the foil. Did that not prove that cathode rays were some kind of waves?
Other experiments cast.... |
| Word count: 1294 |
Page count: 5 |
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