Basic idea: 'If we can describe an atome with some informational model, i.e. quantum
mechanical description, and if we can't make any difference between actual atoms, i.e.
matter and the mathematical model, then we have no right to differentiate between them.
Relatively to us these two descriptions are equivalent.
If we develop this idea a little more we come to the conclusion that there exists
only informational exchange. One informational system exchanges information with another
informational system. We as human beings construct a model of the world in our heads and we interact with the world in a different way depending on the model that we have. We even can say that these models of the world are us. This way we come to the representation of the human beings as the organized information with some goals.
If we couple this model with the quantum mechanical idea of the measurements, i;e. the reduction of the wave-function which comes as a projection to the state of the measurement device, and consider the human beings as the measurement devices we come to an interesting conclusion.
Depending on the state of the human being, i.e. on the informational content of his/her existence
the world around them would organize in a different way.
b) Many observers problem.
After introducing the informational description of a human being concept and projection of the wave function concept we approach an interesting problem. What will happen if several observers,
may be with different goals, interact. The reality will form in one way or another.
In my opinion the following thing will happen. There are several levels of the world model. The lowest
level is the model of the material world, the best models of it being quantum physics (mechanics, electrodynamics, etc.) and relativity theory (I am taking it in a very broad sense, i.e. everything is relative to observer). There are higher level models such as classical mechanics, models of social interactions, models of human beings behavior, i.e. psychology, etc. Anyway, in my opinion, the observers with the best low level models will make the strongest projection.
Formulating it as a joke: 'Extra-sens can do all sorts of tricks, but not when Feynman watches them'. As Feynman had one of the best models of the world it was quasi-impossible to make a better projection than him.
Another good example of someone with a good model of the world would be Albert Einstein. Not only his non-trivial behavior got him to the outstanding position in the human society in a short term,
he also was able to choose the course of action which allowed him to avoid many personal problems in his life. Just one example, leaving Germany just three month before the order to arrest him was issued he predicted that the order to arrest him would be issued.
And one final point, any formal theory introduced by the scientists is first created in their heads.
In another way the model which is formalized on paper exists in their heads too, and even more
it is just a part of their vision of the world, or the informational model, or a part of them. But we shouldn't forget that if they were able to formalize such a theory in themselves they represent an