2009
2006
The Centripetal City: Telecommunications, the Internet, and the Shaping of the Modern Urban Environment | varnelis.net
by metroboy
Modern telecommunications emerged in the mid-nineteenth century. The optical telegraph, invented in the 1790s and based on semaphore signaling systems, had by the 1830s formed a network across Europe, allowing messages to be transmitted from Paris to Am
1
(2 marks)
