If you’re asking yourself, “What’s SOS?” you’re not alone. It doesn’t really stand for anything. It’s a distress signal. Ships at sea. Wrecked spaceships lost on far-off planets. Strange audible patterns from aliens in distant galaxies. We’ve all seen some form of an SOS call in the movies.  When I think of SOS, images of humans who need help, on the edge of death flash in my mind. They’re stranded, alone, and afraid—reaching into the ether for anyone who will answer their ca