Monday, 25 April 2016

physical constants - Planck mass is about the mass of one eyebrow hair



Unlike most Planck units named after "Planck" such as Planck length, Planck temperature, etc, the Planck mass seems more closed to daily life. It is about $10^{-5}$g, same order of magnitude of one eyebrow hair or a flea egg.


I am just wondering is there any interesting explanation about the relation between Planck mass and the mass of small lives such as flea.




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