Space the intuitive view

Perhaps surprisingly, our intuitive view in more recent times is basically the same as that of the ancients. It appears almost self-evident that the earth, sun, stars, and galaxies, even down to atoms, electrons and quantum wave packets, occupy and move in some part of a universal space. The universe is an enormous stage. It provides the space within which all material things exist.

The answer to the question 'What is left if we take away all material things?' is not at all obvious. We are left with an empty stage. Nothing is there — no atoms, no electrons. Pythagoras' idea of an infinite sea of finite numbers may be elegant but it is abstract, and hardly sufficient to satisfy an enquiring mind!*

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