Een enorme stap in de technologie om berichten te versturen was de optische telegraaf. Een merkwaardig systeem met beweegbare palen en telescopen bovenop kerktorens.Leeslijst:- https://en.wikipedia.org/wiki/Optical_telegraph#/media/File:Chappe_semaphore.jpg- https://krisdedecker.typepad.com/photos/uncategorized/2008/03/05/optische_telegraaf.jpg- https://nl.wikipedia.org/wiki/Semafoor_(communicatie)- https://en.wikipedia.org/wiki/Royal_Road- https://en.wikipedia.org/wiki/Battle_of_Marathon- https://historyofinformation.com/index.php?cat=56&start=1&end=41- https://www.lowtechmagazine.be/2007/09/e-mail-in-de-18.htmlVoor contact of opmerkingen:Twitter: @NooitPodcastEmail: [email protected]AttributionsMusic:Waltz (Tschikovsky Op. 40) by Kevin MacLeodLink: https://incompetech.filmmusic.io/song/4605-waltz-tschikovsky-op-40-License: http://creativecommons.org/licenses/by/4.0/The Machine Thinks by Kevin MacLeodLink: https://incompetech.filmmusic.io/song/4498-the-machine-thinksLicense: http://creativecommons.org/licenses/by/4.0/Duet Musette by Kevin MacLeodLink: https://incompetech.filmmusic.io/song/3685-duet-musetteLicense: http://creativecommons.org/licenses/by/4.0/Thinking Music by Kevin MacLeodLink: https://incompetech.filmmusic.io/song/4522-thinking-musicLicense: http://creativecommons.org/licenses/by/4.0/Whiskey on the Mississippi by Kevin MacLeodLink: https://incompetech.filmmusic.io/song/4624-whiskey-on-the-mississippiLicense: http://creativecommons.org/licenses/by/4.0/Part of logo:By Wikimedia Foundation, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=10309782