When discussing the physics behind why the sky is blue, I’m surprised that the question ‘Why isn’t it blue on Mars or Titan?’ isn’t raised more often. Perhaps kids are so captivated by concepts like U(1) that they overlook inconsistencies in the explanation.
When discussing the physics behind why the sky is blue, I’m surprised that the question ‘Why isn’t it blue on Mars or Titan?’ isn’t raised more often. Perhaps kids are so captivated by concepts like U(1) that they overlook inconsistencies in the explanation.