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TT

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Used in 146 equations

kBTln⁡2=(1.380649×10−23 JK)(300 K)(0.6931)≈2.87×10−21 J≈2.9 zJk_B T \ln 2 = \left(1.380649\times10^{-23}\ \tfrac{\text{J}}{\text{K}}\right)(300\ \text{K})(0.6931) \approx 2.87\times10^{-21}\ \text{J} \approx 2.9\ \text{zJ}

After Moore: The Adaptive Radiation of Compute · Equation 4

This equation gives an approximation: it relates the quantities while allowing an approximation.

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⟨σv⟩3α  ∝  ΓαΓ Γrad  exp⁡ ⁣(−ERkBT)\langle \sigma v \rangle_{3\alpha} \;\propto\; \frac{\Gamma_\alpha}{\Gamma}\,\Gamma_{\mathrm{rad}}\; \exp\!\left(-\frac{E_R}{k_{B}T}\right)

The Resonance That Selected Carbon, and the Universes That Couldn't · Equation 1

This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.

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