During a study of evolving telephone designs for our new book, my coauthor Russell A. Flinchum and I came across two of Pratt’s distinguished alumni who had connections to the Bell Telephone System.

I've been involved in personal finance and property journalism for the past 20 years, editing websites and writing for national newspapers. My objective has always been to offer no-nonsense ...

Subject: The firm says it has a $240-million cell-phone deal with the Taliban. Although the U.S. State Department can”t confirm it and telephone equipment manufacturers say they know nothing about it, ...

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 ...