1. Mendel

    Homemade Gyrocompass finds North by Spin

    The gyrocompass was invented before WW1 and sees service on every submarine and big iron ship, where a magnetic compass would be unreliable or useless. An aquaintance of mine who attends naval school confirmed this for me. He also reported that a ship's gyrocompass takes several hours to start...
  2. Z.W. Wolf

    Debunked: Gyro Experiment - Proves Motionless Earth?

    This experiment supports the null-hypothesis (earth is not moving). The experiment is faulty, of course, but I suspect anything I might say about that would be hopelessly naïve. The most cogent comments to this video I could find: Eric Charters2 months ago The gyro appears to precess only...