Causality (physics)
In physics, causality, requires the cause of an event to be in the past light cone of the result and to be ultimately reducible to fundamental interactions. Similarly, a cause cannot have an effect outside its future light cone.
In physics, causality, requires the cause of an event to be in the past light cone of the result and to be ultimately reducible to fundamental interactions. Similarly, a cause cannot have an effect outside its future light cone.