Some of the factors leading to a terrorist attack succeeding or failing would be past the level of quantum uncertainty before the actual attack happens, so unless the terrorists are using bombs set up on the same principle as the trigger in Scrodinger’s Cat, the branches would have split already before the attack happened.
Some of the factors leading to a terrorist attack succeeding or failing would be past the level of quantum uncertainty before the actual attack happens, so unless the terrorists are using bombs set up on the same principle as the trigger in Scrodinger’s Cat, the branches would have split already before the attack happened.