With just minutes left on the clock, the two finalists at the third-ever quantum chess tournament had both "split" their kings, meaning the kings were in a state of superposition, or in two places at once. Audience members watched the game unfold on a big screen while the two finalists sat across from each other on a stage, intently focused on their computer screens. At one point, one of the game's commentators said, "Even though you may win in one universe, you may lose in another," in...