davidjamesweir’s avatardavidjamesweir’s Twitter Archive—№ 1,567

  1. …in reply to @BekkWells
    BekkWells Einstein field equations (gravitational waves! black holes! GPS!) and Maxwell's equations!
    1. …in reply to @davidjamesweir
      BekkWells These pair well: both are (systems of) equations with gauge symmetry that explain how matter behaves in the presence of external fields, and both admit wave solutions!