30 November 2018 - unanswerable

Jay Scott : Daily Whale : archive : 2018 : 30 November 2018

The Foundation is Built Last

Look how deep the answers go. The sky is blue because of Rayleigh scattering, which is ultimately due to quantum mechanics under the framework of the Standard Model, which is known to be incomplete. Have you ever had a question that could be answered?

clue:

And that addresses only part of the question.

give me a clue so sweet and true