The Nature of Consciousness

Piero Scaruffi

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These are excerpts and elaborations from my book "The Nature of Consciousness"


The problem with superstring theory is that, quite simply, there are too many superstring theories (at least five), each of them perfectly valid. Edward Witten noted that a few of them were simply the same theory viewed from different angles, and proposed the M-theory, the theory of all possible superstring theories ("Heterotic and type I string dynamics from eleven dimensions", 1995). It turns out that M-theory can also be viewed as an eleven-dimensional theory of ten-dimensional theories.

M-theory does not constrain the universe to be the one we observe: a staggering 1 to the 500th power different kinds of universe are technically possible, each with its own laws of nature. The US physicist Leonard Susskind has suggested that all those universes might indeed exist: anything that can exist, does exist. Our universe is merely one item in the "megaverse."


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