A railway historian says he believes the traditional semaphore signals removed from a rural railway station could have been the last in use in the entire Eastern region. The wooden signals were ...

Sign up for the Concord Monitor's morning newsletter and get essential news each day. The return of the semaphore signal atop the long-closed train depot in ...

The semaphore flags used by Admiral Horatio Nelson's flagship HMS Victory to signal his fleet before the battle of Trafalgar (Photo by Hulton Archive/Getty Images) In days gone by, people relied ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...