THE object of the automatic telephone exchange is to dispense with the assistance of a third party in making connection between two subscribers. Those whp are at all familiar with the complexity of ...

A large hacker camp such as EMF 2024 always brings unexpected delights, and one of those could be found in the Null Sector cyberpunk zone: a fully functional Strowger mechanical telephone exchange.

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AT an ordinary or manual telephone exchange, as is generally known, the subscribers' lines terminate on “jacks,” and are put through to each other by means of “plugs” and flexible conductors. The ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...