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       #Post#: 5535--------------------------------------------------
       Invisible Forces
       By: lynx wind Date: February 17, 2015, 8:00 am
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       A lot of people don't know that Physics can't explain gravity.
       They can describe its affects but not why.  Magnetism, again a
       bit of a mystery.  It can be described, drawn, and measured but
       not exactly explained.  Another interesting invisible force is
       the gyroscopic effect.
       Take a bicycle rim and hold the axle.  Now spin the rim.  No big
       deal except when you try to exert force away from the spin axis
       you get a resistive force.  This force feels very much like
       holding a magnet away from another magnet or holding a 2 Lb
       weight from dropping as you toss it up and down.
       While spinning the bicycle rim sit on a bar stool and turn the
       axis.  You'll spin around on the bar stool.
       Yet another invisible force is the wave property of energy -
       x-ray, gamma ray, radio, microwave, light, sound....  Energy
       bopping around that can be harnessed to do things.
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