It's from this bleak spot that Italian inventor Guglielmo Marconi broadcast, via a complex of 210-foot cable towers, the world's first wireless communiqué: "Cordial greetings from President Theadore [sic] Roosevelt to King Edward VII in Poldhu, Wales." It was also here that news of the troubled Titanic first reached these shores. There's scarcely a trace left of this extraordinary feat of technology (the station was dismantled in 1920); still, the displays convey the leap of imagination that was required.