Happy Sabbath

Happy Sabbath!  Another more complex system for sending signals using flags – called semaphores – was later developed. Here, messages can be spelled letter […]

Happy Sabbath!  Did you guys know? It turns out that text messaging was not the only way people communicate back then.  How did people […]

Happy Sabbath! Do you know where the term post office and stamp come from? Let us hear the story. Last Sabbath we have learn […]