It also requires less energy to get that sound out than your yelling. The universal distress signal with a whistle is three short blasts in succession. Pause for a moment, then repeat. A whistle ...

Battery-powered lights use multiple LEDs that flash the universal SOS distress signal in Morse code. Visibility can extend up to 10 miles; battery power can last in excess of 35 hours. Hang or secure ...

That is because when it comes to signaling with sound or light, a series of three is considered the universal signal for distress. Read more: Everything You Need To Know Before Taking A Solo ...

After the sinking of the "Titanic," the United States officially adopted the SOS as its distress signal. The use of SOS soon became universal, and the standard signal ruled the high seas until ...

Flying an inverted flag is the universal signal of distress, and Clark, an active Republican, believes the U.S. is in distress. “Unless you’re under a rock there are all kinds of signs ...