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Science, Fiction and Me

Today I Learned

Qualitative Methods

In order to do estimations, some relations should be remembered clearly.

  1. Energy and temperature: \(\frac{1}{40}\mathrm{eV} = 300\mathrm{K} k_B .\)
  2. Natural units: energy is related to length by \(1\mathrm{fm} = \frac{1}{197\mathrm{MeV}}.\)
  3. For light, energy \(1\mathrm{eV}\) corresponds to wavelength \(1.24\mathrm{\mu m}\).

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