One Blip in Ten Tons of Xenon
September 16, 2026
Nearly a mile under South Dakota, a tank of liquid xenon logged a single flash that nobody can pin on ordinary matter — and the physicists who found it are asking everyone else what to make of it.
Type letters to fill the puzzle. Use arrow keys to move, Space to switch between across and down, Tab for the next clue, and Backspace to erase.