When two subatomic particles experience a shared state, they are no longer separate entities. They exist as one, even if they are billions of light years apart in space. A change in one induced a change on the other. Physicists cal this phenomenon “quantum entanglement.”

This is not the sort of things that can be understood by usual common sense. Einstein called this sort of quantum mechanical behavior “spooky action at a distance.” More recently, scientists have learned that two particles can become entangled even after one or both have been destroyed.

How about them apples?