ext_346115 ([identity profile] ddstory.livejournal.com) wrote in [community profile] talkpolitics 2013-12-04 04:41 pm (UTC)

Mass is energy, and energy is mass. And energy/mass creates power. The energy/mass equivalent of a human moving an arm, related to that of a photon, is larger than the energy/mass equivalent of all the stars in all the galaxies within the observable universe as it relates to that of the Sun.
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