How to Sight Along a Water Level



Bob explains how to align near and far markers and detect small departures along a sightline. Careful alignment and recorded measurements are essential to interpreting the observation. Want to learn more? Watch this related public BtSG video: How to Build a Three-Column Water Level for Horizon Measurements https://www.youtube.com/watch?v=_bLfery9ssg Bob the Science Guy — Science You Can Test. Follow for more science you can test! #Science #BobTheScienceGuy #Shorts


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