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While an attractive pull is easy to describe, it is unique to the gauge forces, and quite inexplicable. The normality of the words may provide a facade of reality to the theoretical concept they represent. The gauge force meaning of either "attracting" or "pulling" is essentially the movement of an object by another object, without pushing. This concept is significant, but not the actual word one uses. Although the laws of physics apply somewhat differently to subatomic particles, physicists describe them as having tangible properties and behaviors such as mass, speed, momentum, spin direction, etc. These physical properties are so familiar, one could use them to describe a rubber ball. Other properties, such as electrical charge, are not visible, but are nonetheless understood in the real world's terms. By our present understanding, a push may be intuitively understood as the impact of one object upon another, but a pull is still within the realm of magic. Just as a suction cup appears to be attracted to a window, the existence of "gravitational attraction" might simply be an illusion. Although I cannot prove attraction does not exist anywhere, I will illustrate how a gauge force type of attraction is never observed outside of the gauge forces themselves. When you walk up to a door labeled PULL, you cannot actually pull it open. The label tells you in which direction the door will move, but your action to open it is a push. Your fingers push the back of the handle, and that is a part of the door. If you could pull the door open in a Field Theory manner, you would not even need a handle! If you were to tie a string around the handle and pull it, this is what happens: The portion of the string that touches the back of the handle pushes the handle. If the handle was to somehow grip the string, the molecules of the string would be literally pushing the molecules of the handle. If the string, was glued to the handle, there are two possibilities. If only mechanical bonds formed, string molecules push glue molecules, and glue molecules push handle molecules. The formation of any molecular bonds means that the bonded objects are now a single object. So you see, even if a gauge force type of pull exists within the gauge forces, it is not the subatomic version of any kind of pull that you or I could perform. No, it would be magic by our present understanding. One drawback of a belief in magic is it prevents us from trying to figure out the illusion. |
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