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Equation 4 · Part 3 · From Origins to Frontier: A History of Stochastic Thermodynamics and Complex Systems

Symbol T

Wmax⁡=kBTln⁡2W_{\max} = k_B T \ln 2
TT

What this part means

the bath temperature.

Its job in the formula

T is an input to the expression that computes the quantity on the left.

Where the article explains it

Szilard showed that the demon’s ability to extract work was tied exactly to the amount of information it acquired in the measurement — one bit of information corresponds to a definite quantity of work, kBk_B T ln⁡\ln 2 , where kBk_B is Boltzmann’s constant and T is the bath temperature.

The passage around this formula

…work. Szilard showed that the demon’s ability to extract work was tied exactly to the amount of information it acquired in the measurement — one bit of information corresponds to a definite quantity of work, kBk_B T ln⁡\ln 2 , where kBk_B is Boltzmann’s constant and T is the bath temperature. This is worth stating as an equation because it is the single quantity that recurs across the rest of this history: Wmax⁡=kBTln⁡2W_{\max} = k_B T \ln 2. Szilard’s paper is a fact of the historical record: it is the first place a…

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A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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Sources cited in the article section

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