Peter Mander of the Carnot Cycle blog, which is primarily about thermodynamics, has a neat bit about constructing a mathematical model for how the body works. This model doesn’t look anything like a real body, as it’s concerned with basically the flow of heat, and how respiration fires the work our bodies need to do to live. Modeling at this sort of detail brings to mind an old joke told of mathematicians — that, challenged to design a maximally efficient dairy farm, the mathematician begins with “assume a spherical cow” — but great insights can come from models that look too simple to work.

It also, sad to say, includes a bit of Bright Young Science-Minded Lad (in this case, the author’s partner of the time) reasoning his way through what traumatized people might think, in a way that’s surely well-intended but also has to be described as “surely well-intended”, so, know that the tags up top of the article aren’t misleading.

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## Author: Joseph Nebus

I was born 198 years to the day after Johnny Appleseed. The differences between us do not end there.
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