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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The BBC News Magazine has an interesting look at changes in distress communications in 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 ...