Читать книгу A Theory of the Mechanism of Survival: The Fourth Dimension and Its Applications онлайн

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It is because of this importance that I have dwelt on a point which to many readers will have been obvious as soon as stated.

Similarly we could make things appear "from nowhere" and disappear equally mysteriously simply by putting them down on to his flat surface and picking them up again.

I may as well repeat here that I do not for a moment expect that the reader will have been able to visualise four-dimensional space. But I do hope that he will have seen the force of the analogy and will be prepared to admit that so far as we have gone at present four dimensional space is by no means inconceivable though it may not be distinctly imaginable.

The foregoing is really all that is necessary on the mathematical or theoretical side for the understanding of the basic ideas with which I am dealing but for the benefit of those readers who like that sort of thing I have added a few simple propositions and extensions of the analogy in the form of an appendix.

The only other question that need really concern us here is that of the phenomena of change in a two-dimensional world.