Stop That Train.
George Westinghouse's many inventions rank him with Thomas A. Edison and Werner von Siemens as founding fathers of our electrified world. Yet, ironically, Westinghouse's first invention, a railroad brake he patented in 1869, was actuated not by electrons but by air. To this day, most railr...
| Udgivet i: | IEEE spectrum 46, 3 (2009). |
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| Format: | Article |
| Sprog: | engelsk |
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