dimension-2
Explanation
The Joke
A character states that "beauty only has certain dimensions" and another character pushes back, noting that "huge books are not just nothing, generally speaking of planar characteristics." The conversation turns to how "most beauty features are columnar" and how "structural textures like lips and cheeks should be understood as conical, not geometric." One character then pleads: "People, please don't turn this into a physics lesson." The final panel delivers the punchline, as characters discuss that beauty exists in a specific dimensional space, with someone noting "so we're just going to ignore the fact that if you scale it, it's a two-dimensional thing" — turning an aesthetic discussion into a technical argument about dimensionality.
The Humor
The comic takes the common phrase about "dimensions of beauty" and treats "dimensions" literally as a mathematical/physics concept. What should be a poetic or philosophical conversation about aesthetics gets derailed into a technical argument about geometric properties, topology, and dimensional analysis.
The humor lies in the collision between the humanities and STEM perspectives. Everyone is nominally talking about the same thing — beauty — but the physicists and mathematicians in the room can't help converting the conversation into a technical discussion about spatial dimensions and geometric primitives.
Broader Context
SMBC frequently mines humor from the clash between scientific/mathematical literalism and everyday language. This comic is a good example of Weinersmith's recurring bit where scientists are unable to turn off their analytical frameworks even in contexts where they're completely inappropriate. The title "Dimension 2" suggests this is a sequel to an earlier comic exploring similar territory.