• Echo Dot
      link
      fedilink
      English
      arrow-up
      2
      ·
      8 months ago

      It also requires cross jurisdictional interactions which is something else the US has an issue with.

  • civylw@lemmy.world
    link
    fedilink
    English
    arrow-up
    3
    ·
    8 months ago

    There are two types of seismic waves, primary waves and secondary waves. Primary waves, also known as P waves or pressure waves, are longitudinal compression waves similar to the motion of a slinky. Secondary waves, or S waves, are slower than P waves. S waves are the destructive ones.