I've been always talking about space-time particles producing waves when travelling through space. Space-time particles and all of other types of particles do vibrate as we know. But why do they produce waves? Let's have a look at the different types of matter particles which vibrate in their appropriate way. As mentioned before, a matter particle which exists in the presence is built out of a space-time particle which comes from the past and one from the future. When they come too close to each other, they end up in a circling motion around each other what forms a relatively stable state of existance.
As you can imagine this can happen in many different angles towards the involved 2D space. This produces two extremes. One rotation at 0 degree in the 2D space and one at 90 degrees perpendicular to the 2D space. The first produces a circle-type and the second one a line-type matter particle. Additionally, the rotation causes a fluctuation in energy in the 2D space and thus a vibration. This is comparable to the string theory with closed loop and open strings which vibrate in space-time.
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