Explaining on Instagram: "Follow (us) @Explaining to learn something NEW every day 🧠💫 Morse code is one of the earliest ways humans learned to send messages across long distances without speaking face-to-face. Invented in the 1830s and 1840s by Samuel Morse and Alfred Vail, it uses a system of dots and dashes (short and long signals) to represent letters, numbers, and punctuation. At first, Morse code was sent through telegraph machines, which clicked when the signal came through. Later, it sp