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June 30, 2019

     Displacement rule:  "Vessels move through water by displacing water."  Vessels push water aside, taking the place of water it displaces.  Speed boats and surfboards initially follow this rule, but; have the ability to rise on the surface and move with hydrodynamic...

June 30, 2019

     Most surfboards have flat undersides from nose tip to fin area.  Tail designs vary with flat, Vee or concave shapes.  The forward section of the surfboard under the nose bend, is called the bow in boats.  In boats the bow parts water pushes out of its path.  In su...

June 12, 2019

When you dive into water, it cushions you and absorbs your energy.  Your body pushes water out of your path and energy is transferred to water in the form of waves.  You generate waves, slowing and descending deeper until your energy dissipates.  Descent into liquid is...

June 4, 2019

     The closest a man or woman has gotten to walking on water, is by water skiing barefoot.  The difference between a walker and skier, is speed.   If someone stepped off a speed boat moving very fast, he may manage a couple of steps.  Of course, this would not end we...

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July 6, 2019

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