Cosmology, Quantum Mechanics & Consciousness Message Board › The Universe: what is it made of?
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The Universe: what is it made of?
Albert Einstein:"We may say that according to the general theory of relativity space is endowed with physical qualities; in this sense, therefore, there exists an aether."
Robert B. Laughlin: "It is ironic that Einstein's most creative work, the general theory of relativity, should boil down to conceptualizing space as a medium when his original premise [in special relativity] was that no such medium existed [..] The word 'ether' has extremely negative connotations in theoretical physics because of its past association with opposition to relativity. This is unfortunate because, stripped of these connotations, it rather nicely captures the way most physicists actually think about the vacuum…The modern concept of the vacuum of space, confirmed every day by experiment, is a relativistic ether. But we do not call it this because it is taboo."
As Bishop Berkeley, pointed out, it is entirely possible that everything that exists is in the mind of God. There are contemporary theories that our 'reality' may be a holographic projection, or a computer program. My personal view is that the most likely source of the appearance of a universe made of some substance, is some substance that the universe is made of. Even if it isn't true, I think understanding Relativity and Quantum Mechanics is much easier in that context.