NOV 22, 1906 — The SOS Distress Signal Is Adopted International maritime authorities agree on SOS as the global signal for emergencies — saving countless lives in the century to come. | USA Awakening

These SOS signals could save your life

Make a S.O.S signal using LED and Arduino

Did you know. The ‘SOS’ signal was originally used in Morse Code to indicate distress and request for urgent assistance. The letters ‘S’ and ‘O’ were chosen as distress letters for use because they were simple, distinctive, and easy to transmit. It is a misconception that SOS is an acronym for ‘Save our Souls’. The ‘SOS’ pattern is still used in modern recreational vessel safety equipment including the flash sequence on Electronic Visual Distress Signalling devices. More info at: https://www.tra

Here’s What SOS Really Means and Where the Term Came From

Decoding SOS: from maritime origins to modern usage