Eight hundred mirrors in the hands of as many volunteers winked SOS, the famous maritime Morse Code distress signal on Nov. 9 ...
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 ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback