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...
| Publié dans: | IEEE spectrum 46, 3 (2009). |
|---|---|
| Auteur principal: | |
| Format: | Article |
| Langue: | English |
| Sujets: |