The Physics of Sitting Still
Notes from a lecture on entropy that turned into something closer to a confession.
The lecture was on entropy, and I went in expecting bookkeeping — the accounting of disorder, the arrow of time drawn on a whiteboard. I left thinking about my desk.
Order is the expensive thing
The second law says, roughly, that left alone, things spread out. Order is not the default; it is the thing you pay for, continuously, with energy.1 A tidy desk is not a state a desk tends toward. It is a state you hold a desk in, against its will, for as long as your attention lasts.
I found this unreasonably comforting. The mess on my desk is not evidence of a character flaw. It is thermodynamics. The flaw, if there is one, is expecting order to be free.
You don’t find focus. You spend energy to hold a small region of it open.
Sitting still is work
We talk about concentration as stillness, but stillness at a desk is metabolically loud — it is the effort of keeping one channel open while the world floods the others.2 The physicist’s word for what I do when I study is work: a force applied across a distance, even when nothing visibly moves.
So the confession is this: I had been treating my inability to sit still as laziness. It is closer to running out of fuel. The fix was not discipline. It was rest, and smaller regions of order.
Footnotes
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For a readable treatment, see Peter Atkins, The Second Law (Scientific American Library, 1984), ch. 1. ↩
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On attention as a limited, effortful resource, see my Short Literature Review on Flow States. ↩