Thanks for the link. I really enjoyed that video.
The demonstration of the coherer and the "tapper" was interesting. I didn't realize it could work so fast.
There is a great non-fiction book written by Erik Larson that goes into great detail of Marconi and the development of wireless communication and the impact it had on the world. The book also weaves in the apprehension of a murderer.
Below is a description of the
"Thunderstruck by Erik Larson is a 2006 narrative non-fiction book that interweaves two true stories from Edwardian London: the murder of a woman by her mild-mannered doctor husband, Hawley Crippen, and the parallel story of Guglielmo Marconi's invention of the wireless telegraph. The narratives converge during a dramatic transatlantic chase, where Marconi's new technology is used to capture Crippen, making it the first major criminal case solved with wireless communication."