what if on Instagram: "On May 16, 1958, the Wahoo test detonated a 9-kiloton nuclear device underwater. Within a second, a spray dome blasted 840 feet into the air. By seven seconds, it had grown into a cone nearly 3,800 feet wide, with plumes tearing through in every direction. The vertical column rose for 12 seconds before collapsing, while lateral plumes raced outward for 20 seconds. A base surge — a wall of radioactive mist — spread 8,000 feet downwind, moving at 24 mph. Ships miles away wer