• HereIAm@lemmy.world
    link
    fedilink
    English
    arrow-up
    1
    ·
    9 hours ago

    I assume for the college level students it’s who can mark the level of the water most accurately? I certainly hope all of them would at least mark the water line horizontal to the ground

    • psud@aussie.zone
      link
      fedilink
      English
      arrow-up
      2
      ·
      edit-2
      2 hours ago

      Wikipedia suggests a common failure is to not change the angle of the water surface, leaving it parallel to the base of the tube rather than to gravity