We have known since the middle of the nineteenth century that the world is not composed only of particles… — Lee Smolin
We have known since the middle of the nineteenth century that the world is not composed only of particles. ...the world is also composed of fields. ...General relativity is a theory of... the gravitational field. ...Because there are three sets of field lines, the gravitational field defines a network of relationships having to do with how the... lines link with one another. ...This is why we call relativity a relational theory.
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More from this book
Time is described only in terms of change in the network of relationships that describes space.
There is no time apart from change. There is no such thing as a clock outside the network of changing relationships. ...one can only compare how fast one thing is happening with the rate of some other process.
We are the result of processes much more complicated than the small aspects of our lives and societies over which we have some control.
