Here's a very fascinating mini-documentary from Motherboard: using nothing more than tools and materials he built himself or found in nature, artist Jamie O'Shea of the organization Substitute Materials set out to test whether or not if, with the proper knowledge, a telegraph could have been built at any time in history.
Using the techniques learned during the project, called "Immaculate Telegraphy," Jamie believes that an entire telegraphic network could have been constructed in the Stone Age using nothing more than the knowledge on how to build it and people to build it with.
Despite the snotty feedback the video received by the usual Internet-age dicks who are calling this "just a battery," it may be important to note that electricity is the basis of telegraphy. Maybe they need to read this.
Please note that the Motherboard documentary does not work on the Linux desktop environment.
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