Two questions:

  1. What does it and one refer to in the following sentences? I myself think that it refers to the very fabric of spacetime. Am I correct?
  2. What is the meaning of the verb blows up in this context?

According to quantum theory, the very fabric of spacetime is subject to the violent fluctuations caused by the formation of virtual particles on the small scale—fluctuations that become ever more extreme the smaller the scale until eventually it all blows up when one theoretically gets down to a point

  • "One" here refers to the observer. – Hot Licks Feb 14 '18 at 2:48
  • The referent for the "it" seems to be "spacetime." – rhetorician Feb 14 '18 at 2:51

My reading of that is that it is quantum theory and the theory blows up in the sense that it breaks down at very small scale and runs to infinity when the scale reaches zero (a point).

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My sense is that the 'it' is connected to the 'all' to make an expression 'it all' - which refers to the whole bunch or particles, that are undergergoing their process, which is being described.

You could say that 'it all' - all those particles in their process' is equivalent to 'the very fabric of spacetime' but in this case I think it is more accurate to think of 'all those particles boiling around'.

The 'one' is 'one particle' I think - which has reached a point of - something - that then causes the whole thing (ie all the other relative particles) to 'blow up'.

'Blows up' means 'explode' here, I feel.

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