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  • ...t comes to measuring a human's mass. It is defined by setting the Planck's constant to <math>6.62607015 \cdot 10^{-34} \text{J} \cdot \text{s}</math>, given th
    466 bytes (76 words) - 20:04, 14 January 2025
  • ...re <math>E</math> is the energy of the light, <math>h</math> is [[Planck's constant]] and <math>f</math> is the frequency of the light.
    2 KB (315 words) - 02:23, 10 June 2021