alt Hacker NewsSometimes nature tells us that the questions we are inclined to ask, are flawed questions.
The “What path did the photon take?” question is one of those times. The answer to the question is Mu.
Similar to the questions “How much phlogiston is there in iron?” or “Does sulphur have more earth than air, or more air than earth?”.
But the question is "what is the universe made of?", and the answer given is "mathematical abstractions that fit the data".