Joseph Henry, American scientist
Bildnummer 13454294
| Joseph Henry (1797-1878), American scientist. Henry made numerous discoveries in the field of electromagnetism. In 1829 he made the most powerful electromagnet then known. A year later he discovered electromagnetic induction while following up his earlier work. He made this discovery independently of Faraday, but Faraday published his results first. The unit of inductance was called the henry in his honour. In 1832 he published his paper on self-inductance. He also developed the electrical relay, which solved the problem of high resistance in long wires. This made long-range communication feasible. Painting by Henry Ulke in 1879. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / COPYRIGHT STATUS UNKNOWN / SMITHSONIAN INSTITUTION |
| Bildgröße: | 2639 px × 3326 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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