Videos on social media show Canadians reportedly standing at the United States-Canada border while holding an upside-down Canadian flag and using lights to Morse code “SOS” in response to the ...

It may be the ultimate SOS. Morse code is in distress. The language of dots and dashes has been the lingua franca of amateur radio, a vibrant community of technology buffs and hobbyists who have ...

This article contains promotions. We prioritize reader trust and write based on impartial perspectives and primary ...

The BBC News Magazine has an interesting look at changes in distress communications in the article Save our SOS. It notes it’s been 100 years since “SOS” became the standard signal for ships in ...

Today, the signal is casually tossed into texts during dating disasters or outfit emergencies, but its roots come from genuine life-or-death situations at sea. SOS entered official use in 1905 under ...