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  1. L

    Why most particles are spherical?

    Pictures in high school text books :D
  2. L

    Question about the physics behind a guitar string

    the pitch of a string is it's resonating frequency, which is dependent on the length, mass, and tension of the string, so changing anyone of these properties will change the strings resonating frequency... Obviously the quickest and easiest way to do this is to virtually change the length of the...