Cut off by a relentless barrage of government shelling, activists in the besieged Syrian city of Homs have reverted to the age-old practice of using carrier pigeons to communicate with each other. More.
2 posts categorized "Communication"
Optical telegraph in the Netherlands
The communications device was located on the beach of Scheveningen in the 1700s. More on the optical telegraph: Email in the 18th century. Source: geschiedenis van de techniek in Nederland.
