Comic #5101: cosmology-2

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Description

Text in the Comic:

Top Section: "The universe wants particles to take the easiest route from point A to point B. Mysteriously, the universe accomplishes this by first considering EVERY possible path. In essence, it's doing an enormous amount of calculation just to be certain it's not taking a suboptimal route."

Bottom Section: "You can model reality pretty well if you imagine it's your dad planning a road trip."

Description of the Image: A woman stands in front of a green chalkboard, pointing at a complex diagram that illustrates different paths from point A to point B. She has brown hair and is wearing a long-sleeved shirt and a skirt. The diagram includes arrows and a curvy line representing multiple paths between points A and B.